CO2 drop checker fluid
How often should I change the reagent fluid in my CO2 drop checker?
55g: Finnex Ray2 & MonsterRay, Pressurized CO2 with inline diffuser, Eco-Complete substrate, modified EI ferts. Assorted Tetras & Nerite Snails. Glosso, Limnophila aquatica, Didiplis diandra, Hygrophila corymbosa, Jungle Val, Anacharis, Red Melon Sword, Amazon Sword.
20g high: 2x24w T5ho, DIY CO2 & Excel, Flourite substrate, Ferts whenever I feel like it. Otos, Red Wag Platies, Harlequin Rasboras, and way too many plants!