i used to have this problem , i realize its due to low photo period.
you may like to experiment it to see how
I have some leaves of duckweed very pale in colour. Whitish or yellowish, is it not enough light or not enough nutrient.
This is grown in a temporary plastic container in water placed by the window. I started with 3 pieces, it came as additional when i got a bag of other plant. since it was only 3 pieces and i'm not sure if they will survive i kept them separate. now grow until 9 separate pieces already. wondering if i should add ferts, i don't have aquatic fertilisers only normal plant liquid fert, but i dare not use that. if not i have to collect the fish waste water when changing tank water.
i used to have this problem , i realize its due to low photo period.
you may like to experiment it to see how
Mine turned white with no water and no light, added water yesterday and they are back to a pale green again, I am using lesser duckweed.
adding ferts wouldnt be a bad idea but I think if you go 10 hours of light 14 hours off it will come back.
is there anything else in with the duckweed? even feeding a few pieces of flakes a day will keep it healthy, I dont dose my tanks and my DW is in a QT tank with gravel thats it.
I am just going off what is working for me.
hi my experience :
my duckweed started to turn yellow and white when i started to do more water changes for my tank full of stem plants like elodea, cabomba, tapegrass.
I quite sure its the water column nutrients.
Yes. I believe it's probably the lack of nutrients or bad water. duckweed in my established tank growing better than in the temporary tank.
Put a fish in there, sounds like you need some nutrients...Nitrogen mainly. By adding a fish, the fish waste will feed the plants. A guppy would work well for such a setup, since they don't need filtration.
Oh, duckweed will grow in low light/full shade, so don't think that is the issue.
Regards
* MoZ Aquatics
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Nitrogen mainly i the problem, i also seen this problem before, but after i add in a few fish, the weed grow back. now it cover up my whole tank surface.....
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