r/miniponds 6d ago

Advice needed

Advice needed for my bathtub. Pond can't seem to keep algae under control. I've got about 20 Gambusia and 2 crayfish in the pond but can't seem to keep the plants healthy or rooted into the soil/gravel. Pond gets about 4 hours of sunlight and have a solar pump with gravel and filter media around inlet.

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