Getting into FW

[Fugu]

If you really want to go big you could go with co2.But it is for super serious planted tanks.
You could use your SW filter,but what is in it?You may need to replace the sponges and the other media.
I SERIOUSLY DO NOT RECCOMEND SNAILS,well trapdoor snails.They breed too much.Unless you have a SW puffer tank.If then go for it
All I use for filtration in my planted tank is a co2 system.But I keep fish.If you want to go all plant with 3 or more medium fish then you don't need filtration.Plants,catfish,shrimp and snails are the best filters for a FW tank.

[Flusher]

Originally Posted by Fugu

I SERIOUSLY DO NOT RECCOMEND SNAILS,well trapdoor snails.They breed too much.

They only breed too much if the conditions are right, IME. My 9 gallon tank never has enough; I think the Paradise Fish might be eating them. I'm getting mild plant damage in my Betta tank, though. Since I have to pull out about half the Salvinia natans every week, this isn't a problem.

Too many snails can be a problem, especially since they poop heavily and eat some types of plants (usually only the decaying parts of the plants though, as far as I've read). If they get out of hand, all you need to do is drop a piece of lettuce in the tank, wait until the snails converge on it, then pull it out.
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JARAMA