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Please help.
#1
    Hello, I am new here. I recently got a couple of ferns for my fish tank and noticed a few of these little things in the bag so just left them there. Now a few weeks later most of the top is covered in them. Please can anyone tell me what it is? Is it good or bad for the tank? I'm guessing it's duckweed?  Undecided
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#2
It looks like duckweed, which can grow fast once it’s settled and can be hard to get rid of. Although it doesnt do any harm it can block light getting to plants and can stop oxygen exchange if it grows too much. As long as you keep it under control when doing regular maintenance then you should be ok, unless you want to take it all out of course Smile
 😇 Heaven doesn’t want me...
And Hell is afraid I’ll take over! 😈
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#3
We have air (oxygen) from the blue bubble stone and from the filter. I guess I should rip it all out really if it's gonna restrict things from growing and getting what they need.
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#4
(12-05-2019, 04:27 PM)Robbies fish Wrote: Hello, I am new here. I recently got a couple of ferns for my fish tank and noticed a few of these little things in the bag so just left them there. Now a few weeks later most of the top is covered in them. Please can anyone tell me what it is? Is it good or bad for the tank? I'm guessing it's duckweed?  Undecided

Welcome. That looks like duckweed. It's good in that it gives oxgen to the water and uses the nitrates to grow, it's bad because it's very invasive and will completely cover the water surface. I'd be inclined to get rid of it and give it to a goldfish owner. They're quite partial to it. The goldfish not the owner. Rolleyes
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#5
(12-05-2019, 05:04 PM)Mito Wrote:
(12-05-2019, 04:27 PM)Robbies fish Wrote: Hello, I am new here. I recently got a couple of ferns for my fish tank and noticed a few of these little things in the bag so just left them there. Now a few weeks later most of the top is covered in them. Please can anyone tell me what it is? Is it good or bad for the tank? I'm guessing it's duckweed?  Undecided

Welcome. That looks like duckweed. It's good in that it gives oxgen to the water and uses the nitrates to grow, it's bad because it's very invasive and will completely cover the water surface. I'd be inclined to get rid of it and give it to a goldfish owner. They're quite partial to it. The goldfish not the owner. Rolleyes

I think you would be surprised these days, I think more owners would like it rather than there goldfish Big Grin

To be honest and I will give everyone a good laugh here, I thought it was a plant, I was gonna wait until it grows then stick it in the gravel Big GrinBig Grin
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#6
Just got rid of 98% of it, next time I go to pets at home, probably Tuesday to get frozen mice for our snakes I will grab a fish net and get the rest of the little bleeders out Big Grin
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