Water, chemicals and tests
330 products
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RO/DI filters and water mineralisation
Sewer drain clamp
Clamp for connecting the waste (drain) line of a reverse osmosis filter to a sewer drain. Two…
2.50 €
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RO/DI filters and water mineralisation
MB‑20 Water demineralisation filter bed, 1 litre (approx. 0.7 kg)
Mixed-bed demineralization resin, 1 litre (about 0.7 kg), for treating water after a reverse osmosis…
13.90 €
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RO/DI filters and water mineralisation
10‑inch white RO filter housing
A universal 10‑inch white filter housing for expanding an RO water filter setup. It has a sealed body…
7.75 €
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RO/DI filters and water mineralisation
Remineraliser 500ml – water mineraliser
Liquid mineralizer for RO, deionized and distilled water. It adds calcium and magnesium for freshwater…
11.85 €
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RO/DI filters and water mineralisation
Remineraliser 250ml – water mineraliser
Liquid mineralizer for adding calcium and magnesium to RO, DI and distilled water in freshwater…
9.11 €
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RO/DI filters and water mineralisation
Remineraliser 125ml – water remineraliser
Liquid mineralizer for RO, deionized, and distilled water in freshwater aquariums. Dosed at 1 ml per…
6.15 €
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Water tests and meters
Ca and Mg test
Titration test kit from Zoolek for measuring calcium (Ca2+) and magnesium (Mg2+) in aquarium water…
15.72 €
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Water tests and meters
Mitsuru Aquarium GH/KH Test – water test kit (drop-based)
Yokuchi Mitsuru GH/KH drop test kit for measuring general hardness (GH) and carbonate hardness (KH)…
15.50 €
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Water tests and meters
6‑in‑1 test – test strips, pack of 10
Tetra Test 6in1 is a 10‑pack of test strips that measure six water parameters at once: pH, GH, KH…
7.29 €
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Water tests and meters
Electronic pH tester
Electronic pH tester pen for water chemistry checks in exotic aquatic setups. It measures 0.0–14.0 pH…
15.50 €
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Water tests and meters
pH Alert (continuous pH test)
Seachem pH Alert is a continuous pH monitor placed in a freshwater aquarium or filter. It changes…
18.23 €
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Water tests and meters
PO4 test
Salifert Test PO4 is a water test for checking phosphate (PO4) levels in aquarium water, intended…
12.31 €
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Water tests and meters
NH₄ test
Salifert Test NH4 is an aquarium water test for hobbyists who want to check NH4 levels in their setup. It…
10.94 €
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Water tests and meters
Mg test
Salifert Test Mg is a magnesium test for aquarium water, sold under the Salifert brand in the water…
15.50 €
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Water tests and meters
KH test
Salifert Test KH/ALK is an aquarium water test for alkalinity (carbonate hardness, KH), sold under EAN…
9.34 €
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Water tests and meters
TDS + EC Meter – Conductivity Meter and TDS Pen
Pocket TDS and EC meter with a temperature sensor and reading hold function, measuring dissolved solids…
12.31 €
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Water tests and meters
PRO NH4 Test
JBL Test PRO NH4 is an ammonia (NH4) test kit for aquarium water. It includes test tubes, reagents…
17.55 €
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Water tests and meters
Test K – supplementary material
Refill reagents for the JBL potassium test (K). It lets you replace used consumables without buying…
18.23 €
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Water tests and meters
Fe test – supplementary information
Refill set of consumable reagents for the JBL iron (Fe) water test. Intended for aquarium keepers who…
11.39 €
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Water tests and meters
Refill Test Pro SIO2 – test refill
Replacement reagent set for the JBL Test Pro SIO2 silicate test. It restocks the reagents needed…
6.61 €
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Water tests and meters
ProAquaTest CO₂ Direct – a precise CO₂ test for freshwater aquariums
JBL ProAquaTest CO2 Direct is a colour-change test kit for measuring CO₂ in freshwater aquariums, aimed…
14.36 €
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Water tests and meters
Combi Set – a set of 5 tests in a case
Five-test water analysis case for freshwater aquariums, covering pH (3.0–10.0), KH, nitrite, nitrate…
58.35 €
