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Rotala macrandra deficiency

kschyff

Member
Joined
29 Jun 2020
Messages
121
Location
South Africa
I have these Rotala's in my tank and have tried to get them to grow better than illustrated, but to no avail. They get CO2 and pearl like crazy during the photoperiod. I also fertilise with APT complete. According to the pics, what deficiency is it likely to be?
 

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_Maq_

Member
Joined
23 Jun 2022
Messages
633
Location
Czech Republic
Difficult to say without sufficient data on your water. Possibly calcium deficiency.
 

kschyff

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Thread starter
Joined
29 Jun 2020
Messages
121
Location
South Africa
@_Maq_ I am using RO water and was dosing with APT3 (bit more than I should actually). Was remineralising with Aquavitro Shrimp GH+. Its because of this that O started the other thread about the EI dosing. The thread seemed to move in to a KH discussion now. This tank's KH is 0 and the GH is about 4. Medium light at most. I also suspect Ca so I am hopeful that once my chemicals arrive I will be able to mix an EI Fert that will enable me to eliminate some variables.
 

_Maq_

Member
Joined
23 Jun 2022
Messages
633
Location
Czech Republic
I also suspect Ca so I am hopeful that once my chemicals arrive I will be able to mix an EI Fert that will enable me to eliminate some variables.
I'm not into EI, but yesterday I've seen some analyses of recommended ferts dosing according to EI method, and I don't think this is the way to fight calcium deficiency.
 
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