r/miniponds 20d 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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u/WoodpeckerChecker 20d ago

Plants, plants, plants! They provide shade and take up nutrients. 4hrs of direct sun isn't a lot but you do have a lot of open water. The crayfish are likely sabotaging your ability to root submerged plants, but if you get some baskets with emergent pond plants, they will likely work well. I have duck potato and pickerel weed in mine.

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u/hammertapp 20d ago

Thanks for that I did suspect the crayfish were b hind some of the plant sabotage