Measuring, regulating and testing

Water value in the marine aquarium is a science in itself which might be especially difficult for the beginners in the starting. In addition to the density in the marine tanks – one of the most important parameters is the measurable values of carbonate hardness, calcium, magnesium as well as the nitrate value and the phosphate value in water should be tested regularly easily with tests. In this category of online shop you will find professional water tests, density measuring devices as well as technical tools like GHL aquarium computer and refilling systems.




JBL Digital thermometer (6140600)

If you order until the 08/21/2018 14:00 we ship your package probable today.

JBL Digital thermometer (6140600)

EUR 2,99 *

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JBL Digital thermometer (6140600)

JBL Digital thermometer (6140600)

EUR 2,99 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

JBL Digital thermometer Attaches to aquarium wall from the outside Accurate measurement. Optimum temperature range indicated.

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JBL AquaThermometer Premium

If you order until the 08/21/2018 14:00 we ship your package probable today.

JBL AquaThermometer Premium

EUR 4,74 *

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JBL AquaThermometer Premium

JBL AquaThermometer Premium

EUR 4,74 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

JBL AquaThermometer Premium Slim precision thermometer, exact to 0.5 °C. 15 cm long glass capillary, German-made. All...

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Salifert Calcium test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Salifert Calcium test

EUR 11,95 *

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Salifert Calcium test

Salifert Calcium test

EUR 11,95 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Calcium is a major constituent of calcareous algae, skeletal material of hard corals and the skeletal needles of soft/leather...

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Salifert Silicate test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Salifert Silicate test

EUR 9,50 *

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Salifert Silicate test

Salifert Silicate test

EUR 9,50 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Silicate occurs especially in tap water or in purified water when the RO or DI unit is not functioning properly. Silicate not only...

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Aqua Medic T-Meter twin thermometer

If you order until the 08/21/2018 14:00 we ship your package probable today.

Aqua Medic T-Meter twin thermometer

EUR 11,70 *

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Aqua Medic T-Meter twin thermometer

Aqua Medic T-Meter twin thermometer

EUR 11,70 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Aqua Medic T-Meter twin External double-display Thermometer Large double LCD display simultaneously showing aquarium & ambient...

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Salifert Carbonate Hardness / Alkalinity test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Salifert Carbonate Hardness / Alkalinity test

EUR 6,50 *

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Salifert Carbonate Hardness / Alkalinity test

Salifert Carbonate Hardness / Alkalinity test

EUR 6,50 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Calcium alone cannot form the skeletal material of corals and allow calcareous algae to grow. Some other substances are needed as...

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Salifert Phosphate test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Salifert Phosphate test

EUR 8,90 *

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Salifert Phosphate test

Salifert Phosphate test

EUR 8,90 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Phosphate has several negative effects if present in a too high concentration. First of all undesirable algae growth might result....

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Nyos Testkit Calcium Reefer water test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Nyos Testkit Calcium Reefer water test

EUR 17,90 *

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Nyos Testkit Calcium Reefer water test

Nyos Testkit Calcium Reefer water test

EUR 17,90 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Nyos Testkit Calcium Reefer NYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price Water...

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Glass thermometer with suction cup

If you order until the 08/21/2018 14:00 we ship your package probable today.

Glass thermometer with suction cup

EUR 2,90 *

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Glass thermometer with suction cup

Glass thermometer with suction cup

EUR 2,90 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

A simple glass thermometer with teat for measuring the temperature in your aquarium. The thermometer is small, portable and stable and...

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Hanna Calibration standard for Checker Mini-Photometer Phosphorus

If you order until the 08/21/2018 14:00 we ship your package probable today.

Hanna Calibration standard for Checker Mini-Photometer Phosphorus

EUR 14,73 *

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Hanna Calibration standard for Checker Mini-Photometer Phosphorus

Hanna Calibration standard for Checker Mini-Photometer Phosphorus

EUR 14,73 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Product information calibration standard for Checker Mini photometer Marine Phosphorus A calibration standard for HI 736...

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JBL Aquarium thermometer (6140500)

If you order until the 08/21/2018 14:00 we ship your package probable today.

JBL Aquarium thermometer (6140500)

EUR 2,08 *

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JBL Aquarium thermometer (6140500)

JBL Aquarium thermometer (6140500)

EUR 2,08 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

JBL Aquarium thermometer Precise glass thermometer including sucker holder Indication of the optimum temperature range. Complete...

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Aqua Medic T-meter thermometer

If you order until the 08/21/2018 14:00 we ship your package probable today.

Aqua Medic T-meter thermometer

EUR 7,50 *

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Aqua Medic T-meter thermometer

Aqua Medic T-meter thermometer

EUR 7,50 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Aqua Medic T-meter thermometer Submersible digital thermometer incl. rubber sucker and battery.

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Söll Ammonia Warner

If you order until the 08/21/2018 14:00 we ship your package probable today.

Söll Ammonia Warner

EUR 13,99 *

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Söll Ammonia Warner

Söll Ammonia Warner

EUR 13,99 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Söll ammonia alarm - For aquariums and ponds Ammonia Alert is a unique product for the continuous monitoring of...

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Salifert Nitrate test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Salifert Nitrate test

EUR 9,50 *

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Salifert Nitrate test

Salifert Nitrate test

EUR 9,50 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Silicate occurs especially in tap water or in purified water when the RO or DI unit is not functioning properly. Silicate not only...

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Hanna 25 test kits for Checker Mini-Photometer Phosphate

If you order until the 08/21/2018 14:00 we ship your package probable today.

Hanna 25 test kits for Checker Mini-Photometer Phosphate

EUR 9,50 *

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Hanna 25 test kits for Checker Mini-Photometer Phosphate

Hanna 25 test kits for Checker Mini-Photometer Phosphate

EUR 9,50 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Product information 25 test kits/reagents for Checker Mini photometer Marine Phosphate Reagents for HI 713 Checker HC ®,...

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Salifert Strontium Test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Salifert Strontium Test

EUR 14,95 *

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Salifert Strontium Test

Salifert Strontium Test

EUR 14,95 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Salifert Strontium Test Titrationtest to determine the strontium content of your reef aquarium Content: 25 tests Instructions

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Tropic Marin Po4 Phosphate-Test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Tropic Marin Po4 Phosphate-Test

EUR 14,60 *

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Tropic Marin Po4 Phosphate-Test

Tropic Marin Po4 Phosphate-Test

EUR 14,60 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Tropic Marin PO4 Phosphate-Test Phosphates (PO43–) are important nutrients for all plants and are vital for the energy...

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Tetra Test PO4 (Phosphate)

If you order until the 08/21/2018 14:00 we ship your package probable today.

Tetra Test PO4 (Phosphate)

EUR 12,50 *

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Tetra Test PO4 (Phosphate)

Tetra Test PO4 (Phosphate)

EUR 12,50 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Tetra Test PO4 (Phosphate) Measures the phospate value reliably and precisely Suitable for all freshwater and marine aquarium...

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Hanna 25 test kits for Checker Mini-Photometer Nitrite

If you order until the 08/21/2018 14:00 we ship your package probable today.

Hanna 25 test kits for Checker Mini-Photometer Nitrite

EUR 11,40 *

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Hanna 25 test kits for Checker Mini-Photometer Nitrite

Hanna 25 test kits for Checker Mini-Photometer Nitrite

EUR 11,40 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Product information 25 test kits/reagents for Checker Mini photometer Marine Nitrite Reagents for HI 764 Checker HC ®,...

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Nyos Testkit Nitrate Reefer water test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Nyos Testkit Nitrate Reefer water test

EUR 21,90 *

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Nyos Testkit Nitrate Reefer water test

Nyos Testkit Nitrate Reefer water test

EUR 21,90 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Nyos Testkit Nitrate Reefer NYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price Water...

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JBL Carbonate Hardness Reagent refill (KH)

If you order until the 08/21/2018 14:00 we ship your package probable today.

JBL Carbonate Hardness Reagent refill (KH)

EUR 4,49 *

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JBL Carbonate Hardness Reagent refill (KH)

JBL Carbonate Hardness Reagent refill (KH)

EUR 4,49 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

JBL Carbonate Hardness Reagent refill

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Nyos Testkit Carbonate Reefer water test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Nyos Testkit Carbonate Reefer water test

EUR 11,90 *

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Nyos Testkit Carbonate Reefer water test

Nyos Testkit Carbonate Reefer water test

EUR 11,90 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Nyos Testkit Carbonate Reefer NYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price Water...

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Nyos Testkit Phosphate Reefer water test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Nyos Testkit Phosphate Reefer water test

EUR 21,90 *

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Nyos Testkit Phosphate Reefer water test

Nyos Testkit Phosphate Reefer water test

EUR 21,90 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Nyos Testkit Phosphate Reefer NYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price Water...

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Triton Water Test ICP-OES

If you order until the 08/21/2018 14:00 we ship your package probable today.

Triton Water Test ICP-OES

EUR 35,00 *

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Triton Water Test ICP-OES

Triton Water Test ICP-OES

EUR 35,00 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Triton Professional Water Analysis ICP-OES 3 easy steps: Collect water in vial provided Post it Log onto web site to retrieve...

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Nyos Testkit Ca, Alk, NO3, PO4 Reefer water test Bundle

If you order until the 08/21/2018 14:00 we ship your package probable today.

Nyos Testkit Ca, Alk, NO3, PO4 Reefer water test Bundle

EUR 73,60 *

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Nyos Testkit Ca, Alk, NO3, PO4 Reefer water test Bundle

Nyos Testkit Ca, Alk, NO3, PO4 Reefer water test Bundle

EUR 73,60 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Nyos Testkit Ca, Alk, NO3, PO4 Reefer water test Bundle NYOS® REEFER test kits - taking measurements at the laboratory level at an...

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JBL Carbonate Hardness Test-Set (KH)

If you order until the 08/21/2018 14:00 we ship your package probable today.

JBL Carbonate Hardness Test-Set (KH)

EUR 7,90 *

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JBL Carbonate Hardness Test-Set (KH)

JBL Carbonate Hardness Test-Set (KH)

EUR 7,90 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

JBL Carbonate Hardness Test Recommended level for fresh water: 4-8° dKH. 1 drop = 1° dKH. Colour change from blue to...

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Söll Densimeter

If you order until the 08/21/2018 14:00 we ship your package probable today.

Söll Densimeter

EUR 14,99 *

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Söll Densimeter

Söll Densimeter

EUR 14,99 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

To determine the salt content in seawater aquariums Measuring range of relative density: from 1,000 to 1,060 g / cm3...

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Red Sea Magnesium Pro Test Refill

If you order until the 08/21/2018 14:00 we ship your package probable today.

Red Sea Magnesium Pro Test Refill

EUR 14,90 *

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Red Sea Magnesium Pro Test Refill

Red Sea Magnesium Pro Test Refill

EUR 14,90 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

A refill package for the Red Sea Magnesium Pro Test.

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Nyos Testkit Magnesium Reefer water test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Nyos Testkit Magnesium Reefer water test

EUR 17,90 *

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Nyos Testkit Magnesium Reefer water test

Nyos Testkit Magnesium Reefer water test

EUR 17,90 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Nyos Testkit Magnesium Reefer NYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price Water...

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Salifert Nitrite Test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Salifert Nitrite Test

EUR 6,90 *

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Salifert Nitrite Test

Salifert Nitrite Test

EUR 6,90 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Profi-Test from Salifert. With these kits, the nitrite levels can be measured in the water. Gradation : 0.1 mg / L, 0.25 mg...

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Arka Vida dosing towers

If you order until the 08/21/2018 14:00 we ship your package probable today.

Arka Vida dosing towers

EUR 79,90 *

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Arka Vida dosing towers

Arka Vida dosing towers

EUR 79,90 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Arka Vida dosing towers Perfectly fitting for the Vida-GT series Filling volume of max. 500ml. 100% fit for the VIDA-GT series...

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Tropic Marin K+ Pro Potassium Water Test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Tropic Marin K+ Pro Potassium Water Test

EUR 31,50 *

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Tropic Marin K+ Pro Potassium Water Test

Tropic Marin K+ Pro Potassium Water Test

EUR 31,50 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Tropic Marin K + Pro potassium test kit Potassium is a vital biomass for all living creatures. In natural seawater, the alkali metal...

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Vertex SensorMag Titanio XD

If you order until the 08/21/2018 14:00 we ship your package probable today.

Vertex SensorMag Titanio XD

EUR 39,99 *

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Vertex SensorMag Titanio XD

Vertex SensorMag Titanio XD

EUR 39,99 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Vertex Sensor-Mag Titanio XD Acrylic probe holder with three magnets and three titanium screws 2 Standard size holes and 1 Bigger...

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Hanna 25 test kits for Checker Mini-Photometer Marine Calcium

If you order until the 08/21/2018 14:00 we ship your package probable today.

Hanna 25 test kits for Checker Mini-Photometer Marine Calcium

EUR 28,15 *

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Hanna 25 test kits for Checker Mini-Photometer Marine Calcium

Hanna 25 test kits for Checker Mini-Photometer Marine Calcium

EUR 28,15 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Product information 25 test kits/reagents for Checker Mini photometer Marine Calcium Reagents for HI 758 Checker HC ®,...

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Tropic Marin Phosphate-Test Professional

If you order until the 08/21/2018 14:00 we ship your package probable today.

Tropic Marin Phosphate-Test Professional

EUR 19,30 *

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Tropic Marin Phosphate-Test Professional

Tropic Marin Phosphate-Test Professional

EUR 19,30 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Tropic Marin PO4 Pro - phosphate test professional Normal 0 21...

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JBL KH Test refill 10ml

If you order until the 08/21/2018 14:00 we ship your package probable today.

JBL KH Test refill 10ml

EUR 4,30 *

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JBL KH Test refill 10ml

JBL KH Test refill 10ml

EUR 4,30 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

JBL KH Test Reagent Refill 10ml - Carbonate hardness water test Fill up quickly and easily. With the KH Test Regens Refill, you can...

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GHL KH Director Reagent 500 ml

If you order until the 08/21/2018 14:00 we ship your package probable today.

GHL KH Director Reagent 500 ml

EUR 18,90 *

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GHL KH Director Reagent 500 ml

GHL KH Director Reagent 500 ml

EUR 18,90 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

A highly accurate and stabilized reagent solution for your KH Director.

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ATI Reference 1l

If you order until the 08/21/2018 14:00 we ship your package probable today.

ATI Reference 1l

EUR 14,90 *

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ATI Reference 1l

ATI Reference 1l

EUR 14,90 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

The ATI reference is ideal for checking various water tests, as well as the hydrometer (spindle) and refractometer. The new recipe...

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Hanna 25 test kits for Checker Mini-Photometer Phosphorus

If you order until the 08/21/2018 14:00 we ship your package probable today.

Hanna 25 test kits for Checker Mini-Photometer Phosphorus

EUR 9,50 *

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Hanna 25 test kits for Checker Mini-Photometer Phosphorus

Hanna 25 test kits for Checker Mini-Photometer Phosphorus

EUR 9,50 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Product information 25 test kits/reagents for Checker Mini photometer Marine Phosphorus Reagents for HI 736 Checker HC...

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Red Sea Marine Care pH/Alk Test Kit

If you order until the 08/21/2018 14:00 we ship your package probable today.

Red Sea Marine Care pH/Alk Test Kit

EUR 18,99 *

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Red Sea Marine Care pH/Alk Test Kit

Red Sea Marine Care pH/Alk Test Kit

EUR 18,99 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

The Red Sea pH / Alkalinity test kit contains a precise KH titration test and a colorimetric test to determine the ph value of your...

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Red Sea Phosphate Pro Test Kit (100 tests)

If you order until the 08/21/2018 14:00 we ship your package probable today.

Red Sea Phosphate Pro Test Kit (100 tests)

EUR 31,45 *

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Red Sea Phosphate Pro Test Kit (100 tests)

Red Sea Phosphate Pro Test Kit (100 tests)

EUR 31,45 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Manufacturer: Red Sea Red Sea’s Phosphate Pro Test Kit is an advanced colorimetric test with comparator, measuring the level of...

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Red Sea Calcium Pro Test Refill

If you order until the 08/21/2018 14:00 we ship your package probable today.

Red Sea Calcium Pro Test Refill

EUR 14,90 *

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Red Sea Calcium Pro Test Refill

Red Sea Calcium Pro Test Refill

EUR 14,90 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

A refill package for the Red Sea Calcium Pro Test.

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Tetra Test KH (carbonate hardness/alkalinity)

If you order until the 08/21/2018 14:00 we ship your package probable today.

Tetra Test KH (carbonate hardness/alkalinity)

EUR 8,20 *

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Tetra Test KH (carbonate hardness/alkalinity)

Tetra Test KH (carbonate hardness/alkalinity)

EUR 8,20 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Tetra Test KH (carbonate hardness/alkalinity) Measures the carbonate hardness & alkalinity value reliably and precisely...

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Red Sea Marine Care Phosphat Test Kit

If you order until the 08/21/2018 14:00 we ship your package probable today.

Red Sea Marine Care Phosphat Test Kit

EUR 23,99 *

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Red Sea Marine Care Phosphat Test Kit

Red Sea Marine Care Phosphat Test Kit

EUR 23,99 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

The Red Sea Marine Care Phosphate Test Kit allows a user-friendly, fast and reliable determination of the phosphate content of your...

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GHL ProfiLux Aquatic-Bus Cable

If you order until the 08/21/2018 14:00 we ship your package probable today.

GHL ProfiLux Aquatic-Bus Cable

EUR 8,45 *

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GHL ProfiLux Aquatic-Bus Cable

GHL ProfiLux Aquatic-Bus Cable

EUR 8,45 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

GHL ProfiLux Aquatic-Bus cable Cable for connecting and linking ProfiLux-Aquatic-Bus (PAB) - devices.

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Salifert Organics Test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Salifert Organics Test

EUR 12,50 *

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Salifert Organics Test

Salifert Organics Test

EUR 12,50 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Profi-Test from Salifert. There are organic compounds which are difficult to remove even by using skimmers, activated carbon or...

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JBL Precision hydrometer with thermometer + temperature correction scale

If you order until the 08/21/2018 14:00 we ship your package probable today.

JBL Precision hydrometer with thermometer + temperature correction scale

EUR 25,90 *

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JBL Precision hydrometer with thermometer + temperature correction scale

JBL Precision hydrometer with thermometer + temperature correction scale

EUR 25,90 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

JBL Precision hydrometer Density measurement device for saltwater. NEW: With improved stand on the measuring vessel. The octagonal...

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Salifert Oxygen Test

If you order until the 08/21/2018 14:00 we ship your package probable today.

Salifert Oxygen Test

EUR 7,95 *

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Salifert Oxygen Test

Salifert Oxygen Test

EUR 7,95 *

If you order until the 08/21/2018 14:00 we ship your package probable today.

Profi-Test from Salifert. Coral and marine fish require much oxygen, since this is only sparingly soluble in saltwater. Therefore...

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Measuring, regulating and testing

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