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358 Posts
I'm honestly impressed with the picture of that CPD.
A sponge filter+heater, depending on your weather, on a 5.5g would probably be plenty for a micro-fish hospital tank. If you do end up putting together a hospital tank, you can consider adding a bit of salt. It helps freshwater fish feel a bit better, and can help with bacterial/fungal issues.
A sponge filter+heater, depending on your weather, on a 5.5g would probably be plenty for a micro-fish hospital tank. If you do end up putting together a hospital tank, you can consider adding a bit of salt. It helps freshwater fish feel a bit better, and can help with bacterial/fungal issues.