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smicko

Why can't I grow duckweed

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It takes over my tanks but when I put it outside it dies.

And it's not just duckweed, I've tried guppy grass, swords, azolla, frogbit and I will even admit trying water lettuce but it all dies.

I keep having to do waterchanges on the ponds because algae takes over, usually green/brown water with stringy algae.

What am I missing? Can anyone suggest another plant that would take up enough nutrients to stop the algae.

Any help appreciated.

Cheers mick

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I have rainbows and bn, i didn't know rainbows ate duckweed but I've tried plenty of other plants including hornwort without success which was making me think I may need some leaf zone but I don't want to make the algae problems worse.

I will try and shade part of the ponds and see what happens.

Cheers mick

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barley strawin the pond will stop the algae, experiment with a small amount. it does work.

mickey the dart

Hey mickey, would you know where I could find some? I have been to a few stock feed places and can only find barley hay which is straw mixed with grass.

Cheers mick

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barley straw and barley hay is the same thing, it's the cut and baled barley plant after the barley has been harvested. because they wait till after harvest it's seasonal, but there should be a fair bit around this time of year, just have a look at barley hay adds on gumtree.

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