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…
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This kit is for freshwater aquarium keepers who want to check CO₂ levels in their tank rather than estimate them. It is aimed at planted aquariums, where CO₂ is a nutrient that directly affects plant growth, and it helps prevent both shortage and excess, which can harm fish.
Why it matters
- Colour-change method: the result is read by matching the colour of the sample to the card, so no electronic meter is needed.
- Test-based dosing check: each 20 ml water sample is titrated drop by drop with reagent no. 2 until the colour changes to pink, and the drop count gives the CO₂ result.
- Repeatable routine: regular testing lets you spot parameter changes early and adjust CO₂ to stocking, lighting and water movement.
- Complete set: both reagents, test tubes, syringe, colour card and instructions come in one package.
Specifications
- Brand: JBL
- Model: JBL TEST PRO CO2 DIRECT (ProAquaTest CO2 Direct)
- EAN: 4014162241405
- Sample volume: 20 ml per test tube
- Contents: reagent no. 1, reagent no. 2, 2 test tubes, syringe, colour card, instructions
What it works with
The kit is designed for freshwater aquariums with live plants, where CO₂ supplementation is used. Testing is done on water taken directly from the tank, so the result reflects the actual conditions in your setup and can be used to fine-tune CO₂ dosing against plant needs and fish load.
Technical specification
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Frequently asked questions
The kit includes reagent no. 1 and reagent no. 2, two test tubes, a syringe, a colour card, and instructions. Everything needed for the test is included.
This test is designed for freshwater aquariums only. It measures CO₂ in fresh water.
Add reagent no. 2 drop by drop while mixing, and stop when the colour in the tube changes to pink. Compare the colour with the card to confirm.
Count the drops of reagent no. 2 you used and multiply by 2. The result is the CO₂ level in your water.
The whole process takes only a few minutes. Fill each test tube with 20 ml of water taken from your aquarium.
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