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I'm still able to keep a drop checker in the green/yellow with a biowheel on my 20g shrimp tank, and this is with DIY CO2.
I'm not growing high-light plants, it's 1.5 w/gal so I've got some wiggle room (and about 200 cherry shrimp to eat algae faster than it can grow, heh.)
I'm not growing high-light plants, it's 1.5 w/gal so I've got some wiggle room (and about 200 cherry shrimp to eat algae faster than it can grow, heh.)
