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Review on Optimize CO2 Monitoring: JARDLI Glass Drop Checker for Planted Aquarium Tanks by Kristi Ratz

Revainrating 5 out of 5

Compact, low-profile drop controller. Works perfectly!

I used this in my 10 gallon planter and it works great! My only advice is don't overfill it with drip test solution. Adapting to CO2 changes takes too long. I am water when there is too much of it. I find 15-20 drops ideal. It's also a little tricky to clean, but if you have a small eyedropper you can suck the contents out of the center.

Pros
  • Free for educational purposes
Cons
  • Not bad, but...