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.




If you order until the 03/30/2020 14:00 we ship your package probable today.

Gift card

EUR 1,00 *

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Gift card

Gift card

EUR 1,00 *

If you order until the 03/30/2020 14:00 we ship your package probable today.

You are looking for a gift for a passionate reefer? Then our whitecorals.com gift card would be a perfect. Our gift cards are...

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If you order until the 03/30/2020 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 03/30/2020 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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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 03/30/2020 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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If you order until the 03/30/2020 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 03/30/2020 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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If you order until the 03/30/2020 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 03/30/2020 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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If you order until the 03/30/2020 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 03/30/2020 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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If you order until the 03/30/2020 14:00 we ship your package probable today.

Tropic Marin Multi Standard 50ml

EUR 10,35 *

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Tropic Marin Multi Standard 50ml

Tropic Marin Multi Standard 50ml

EUR 10,35 *

If you order until the 03/30/2020 14:00 we ship your package probable today.

Mineral reference solution for test kits (Ca, Mg, KH, K+) Reagents in test kits can lose their effectiveness and accuracy over time...

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If you order until the 03/30/2020 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 03/30/2020 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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If you order until the 03/30/2020 14:00 we ship your package probable today.

Tunze Osmolator 3155

EUR 159,00 *

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Tunze Osmolator 3155

Tunze Osmolator 3155

EUR 159,00 *

If you order until the 03/30/2020 14:00 we ship your package probable today.

Tunze Osmolator 3155 Water level regulator with two sensors suitable for use in cabinet filters, in Comline filters or directly on the...

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If you order until the 03/30/2020 14:00 we ship your package probable today.

Aqua Medic T-Controller Twin Touch Display

EUR 68,00 *

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Aqua Medic T-Controller Twin Touch Display

Aqua Medic T-Controller Twin Touch Display

EUR 68,00 *

If you order until the 03/30/2020 14:00 we ship your package probable today.

Digital temperature monitor & controller, for the control & monitoring of heating systems and cooling units simultaneously Now...

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If you order until the 03/30/2020 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 03/30/2020 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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If you order until the 03/30/2020 14:00 we ship your package probable today.

Aqua Illumination Hydra HMS Einzelarmmontage

EUR 118,90 *

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Aqua Illumination Hydra HMS Einzelarmmontage

Aqua Illumination Hydra HMS Einzelarmmontage

EUR 118,90 *

If you order until the 03/30/2020 14:00 we ship your package probable today.


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If you order until the 03/30/2020 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 03/30/2020 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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If you order until the 03/30/2020 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 03/30/2020 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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If you order until the 03/30/2020 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 03/30/2020 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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If you order until the 03/30/2020 14:00 we ship your package probable today.

Hanna Test Kits Phosphat for Mini-Photometer HI774

EUR 9,52 *

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Hanna Test Kits Phosphat for Mini-Photometer HI774

Hanna Test Kits Phosphat for Mini-Photometer HI774

EUR 9,52 *

If you order until the 03/30/2020 14:00 we ship your package probable today.

Phosphate reagents for HI774 Checker® HC for seawater, 25 tests pieces.

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If you order until the 03/30/2020 14:00 we ship your package probable today.

Hanna Test Kits Alkalinit?t for Mini-Photometer HI772

EUR 9,90 *

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Hanna Test Kits Alkalinit?t for Mini-Photometer HI772

Hanna Test Kits Alkalinit?t for Mini-Photometer HI772

EUR 9,90 *

If you order until the 03/30/2020 14:00 we ship your package probable today.

"Hanna 25 Test Kits Alkalinity for Mini-Photometer HI772 in Salt Water" Product information "HI772-26 Alkalinity in Salt...

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If you order until the 03/30/2020 14:00 we ship your package probable today.

Tunze Switched Socket Outlet 3150.110

EUR 55,90 *

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Tunze Switched Socket Outlet 3150.110

Tunze Switched Socket Outlet 3150.110

EUR 55,90 *

If you order until the 03/30/2020 14:00 we ship your package probable today.

Tunze Switched Socket Outlet In the Osmolator®, the enclosed low-voltage centrifugal pump can be replaced by this switched socket...

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If you order until the 03/30/2020 14:00 we ship your package probable today.

JBL Aquarium Thermometer Mini

EUR 1,99 *

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JBL Aquarium Thermometer Mini

JBL Aquarium Thermometer Mini

EUR 1,99 *

If you order until the 03/30/2020 14:00 we ship your package probable today.

Precise measurement for healthy fish: mini thermometer has fine measuring scale with a 2 °C gradation Easy to install: attach with...

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If you order until the 03/30/2020 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 03/30/2020 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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If you order until the 03/30/2020 14:00 we ship your package probable today.

HOBBY Digital Submersible Thermometer, incl. battery

EUR 8,49 *

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HOBBY Digital Submersible Thermometer, incl. battery

HOBBY Digital Submersible Thermometer, incl. battery

EUR 8,49 *

If you order until the 03/30/2020 14:00 we ship your package probable today.

Digital Submersible Thermometer, incl. battery Digital underwater thermometer, measuring range 0-50° C, sampling interval every 5...

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If you order until the 03/30/2020 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 03/30/2020 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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If you order until the 03/30/2020 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 03/30/2020 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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If you order until the 03/30/2020 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 03/30/2020 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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Measuring, regulating and testing

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