Salvinia coverage and oxygen transfer

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Bpd1

Aquarium Advice Apprentice
Joined
Jun 12, 2022
Messages
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Hello all. I have approximately 50% salvinia surface coverage. At what stage or does it restrict oxygen transfer? I have air stones and filter outlet creating surface agitation with barriers from airhoses to create a minimum surface clearance.
 

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If you have aeration and surface turbulence then you can cover about 90% of the tank and the airstones bubbling away will provide sufficient oxygen/ carbon dioxide exchange. However, having 90% coverage makes it hard to feed the fish, especially if using dry foods so most people go for 50-75% coverage.

You can make plastic loops from airline and a joiner to stop the plants spreading across the surface too much. Just grab some airline and a joiner to make a loop. Put it around the floating plants.
 
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