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Discussion Starter · #1 · (Edited)
10g tank
18" Sat+ LED light (6-8 hours light)
eco-complete sub

water parameters
nitrate about 10-20
pH 7.6
ammonia 0
that's what i know, i don't have other test kit.

I starting dosing DIY liquid NPK and Flourish Comprehensive for about 3 weeks+ but my lace java fern doesn't get better. I dose 5ml of flourish every night and the PNK/Excel 2-3 times/week. I have other Lace java fern in a bigger tank uses the same source of tab water/ferts and this plant grow great. the only thing different is the bigger tank uses regular substance instead of eco-complete.
PNK specs
N- 7.5ppm
P- 1.3ppm
K- 4.27ppm

Just the lace java fern doesn't grow in a good shape but other plant grow nicely. That makes me think the eco-complete absorb all the nutrient from the water


 

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The details of the plant do not show up very well in the pictures you have taken. However, this does not look like a deficiency. It looks like spot algae and black beard algae (BBA). Also, java ferns in general do not make good indicator plants of deficiencies. They tend to naturally grow tattered looking leaves.

You can use hydrogen peroxide for the spot algae (it will take several spot treatments) and flourish excel for the BBA (only 1 or two treatments per patch of BBA). Use a syringe to suck up either liquid and slowly squirt it onto the algae underwater to kill it. The spot algae will bubble vigorously when you treat it and the BBA will turn red the next day, then gray a few days later, then decay away over the next few days/weeks.
 

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Discussion Starter · #3 ·
The details of the plant do not show up very well in the pictures you have taken. However, this does not look like a deficiency. It looks like spot algae and black beard algae (BBA). Also, java ferns in general do not make good indicator plants of deficiencies. They tend to naturally grow tattered looking leaves.

You can use hydrogen peroxide for the spot algae (it will take several spot treatments) and flourish excel for the BBA (only 1 or two treatments per patch of BBA). Use a syringe to suck up either liquid and slowly squirt it onto the algae underwater to kill it. The spot algae will bubble vigorously when you treat it and the BBA will turn red the next day, then gray a few days later, then decay away over the next few days/weeks.
Will hydrogen peroxide harm my guppies and cherry shrimps? i can move them to a different tank if i have to.
is this hydrogen peroxide ?
 

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Discussion Starter · #5 ·
Zapins
Hydrogen peroxide is a regular one can buy any where or they have a special one for aquarium? How often to treat spot algea by hydrogen peroxide? Once/day?
Thanks
 
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