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Avoid extreme temperatures and direct sunlight
A blend of carbonate sources that will not lower pH as competing bicarbonate only products can
MultiTest™ Iron performs over 75 tests and contains a reference sample for validation
MatrixCarbon™ is a truly unique activated carbon
ISTA CO2 Indicator-All Angle View Polyp Lab Avoid extreme temperatures and directAllows you to monitor the CO2 level in your tank from any angle. With smart design to prevent any chance of spill of the indicator solution. Reusable color chart sticker provides convenience in location change of the sticker. How to use: Take apart the CO2 indicator Add 1cc of indicator solution to the reservoir then reattach the CO2 Indicator firmly. Submerse the CO2 indicator vertically and attached to the desired location inside the tank (the