I havent had issues with duckweed, then again I used a HOB filter with an extremely long intake tube so it never got stuck in my filter. I couldn't do that in my 120 because its an overflow. There are better plants to use I just threw that out there. But a good super fast growing plant is a that cannot get sucked up is anacharis. Its a stem plant so once it gets to long for your taste cut them to length and you can regrow the stems that you cut off. If your having issues monitoring dinner time you may want to re-arrange your tank. That could also help getting the poop to get stirred up and filtered out. If you have any plant related questions feel free to ask. I have a 55gallon that is my strictly planted aquarium.
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Okay I'll try to look in to tanacharis. Im really after the look of the tank. Its just meant to be a grow out. But if the fish would grow faster in a planted tank then Im good with setting it up again in a 30 gal. I could also put the the wood and the moss in without the soil for better cleaning. But the swords wouldnt be in the tank. Lol these guys are small compared to the del. Once the del reaches a good length Im going to move him immediately
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