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No solution preparation needed
Required solutions are premade and included
Improved durability and ease of use
The Cal Aqua Labs Double Check CO2 Checker is the only all-glass dual-compartment CO2 checker that allows the user to accurately compare the CO2 level in your aquarium side-by-side against a standard reference. The top chamber holds the CO2 indicator solution, whereas the bottom chamber carries a CO2 reference solution. The reference solution color corresponds to 30 ppm of CO2 a level that is widely accepted for good plant growth in most aquariums.
No more guessing on the shades of green. No more looking back-and-forth at color sheets to compare. You know the precise CO2 level simply by comparing the colors in the two compartments side-by-side. Dont guess, be sure! Its as simple as that.
Brand | Cal Aqua Labs |
Free Shipping | No |
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