Category
Water Tests & Treatment
Store
eBay
Brand
Ista
Add 1cc of indicator solution to the reservoir then reattach the CO2 Indicator firmly. Allow you to monitor the CO2 level in your tank from any angle. Take apart the CO2 Indicator. Stick the colour chart on the glass wall of the tank (the position to cover the suction cup) to read the CO2 level in your tank.
6.99 GBP
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