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Vallisneria help

Cherries

Member
Joined
2 Feb 2021
Messages
140
Location
Bristol, UK
My vallis are really poorly. Not reproducing or growing tall. They have been like that for a while. Don't know what to do :(
 

hypnogogia

Member
Joined
6 Apr 2017
Messages
808
Location
Oxfordshire
Sorry to hear that. it might help of you shared water parameters, substrate, lighting and fertiliser regime. A phot would also help.
 

Sarpijk

Member
Joined
11 Jan 2015
Messages
625
I used to have Valisneria Nana in my low tech that would not grow tall until I started dosing Macros.
 

MichaelJ

Member
Joined
9 Feb 2021
Messages
1,165
Location
Minnesota, USA
They seem to be doing best above 6 GH. Of course they, as all plants, need fertilizers, but, from my own experience, wont do well with liquid carbo / Excel as @Wolf6 mentioned. They seem to be "extra" sensitive to low Iron levels as well. Also, they shouldn't be buried too low into the substrate (you got the be able to see the upper part of the root system/crown).

Cheers,
Michael
 

Stan510

Member
Joined
20 Oct 2021
Messages
336
Location
Hayward ca
I found to get weed like thick growth,you need lots of light- even sunlight from a window. They also do not like additives. They want just water,much light and keep the other plants down to a minimum. They are purely aquatic. In fact do best if they are the only plant species in the aquarium.
 

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