Review on 🐠 Enhance Your Planted Fish Tank with Ailinda CO2 Drop Checker Glass Aquarium Monitor and CO2 Indicator by Kim Palmer

J shape is a good space saver for those who don't want the drip tester to take up space in the aquarium. The only downside is that it can be a little tricky to read as the shape of its inner container causes the checker solution to spread in a thin layer, making the color not as easy to distinguish as with more bulbous checkers that hold more. the volume of the slurry.