I remember having had quite modest success with plants so far and I'm
guessing I'm getting my water circulation/aeration wrong. Most of the
time I had too much aeration and only afterwards I realized it harms
plants. But a few times I had fishless, plant-only setups without any
aeration or water circulation and the whole thing got smothered in
algae. The most successful I've managed must have been one setup with a
low power fully submerged powerhead (without venturi, mild flow), even
though my lighting equipment was very basic. Is this last one the best
kind for a plant aquarium then? Also is it a good idea to have an air
pump on a timer running when the lights are out?

Seb

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