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Seachem · Supplementation
pH Checker for Planted Aquariums
This glass pH drop checker monitors CO2 concentrations and pH levels in planted aquariums (especially those with CO2 injection), working with any aquarium size. Fill the bulb with 20 drops of the included pH-sensitive indicator solution and place it funnel-side down in the tank — the solution changes color from yellow (low pH / more CO2) to green to blue (high pH / less CO2). Includes the glass drop checker, suction cup mount, and indicator solution (refills available).
Price: $9.47 USD
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