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Phosphate deficiency?

I'm going the plain gravel route for the first time and think it's my favorite. First of all it's much cheaper, no ammonia spikes, no nutrient soaking in begining...

Little off the subject, but we are awaiting for the Dragon New Year 😁 so my new guest will defend plants for a few weeks
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John q said:
The blackness is the beginning of bba, the green spot algae is a result of to much light, and an imbalance of Fe to P (Relative to the amount of co2 that's available)
Atm your solution seems to be add more of everything and hope the problem goes away.
Can I suggest an easy fix? Lower the amount of light 🫡
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I would add Fluctuating levels of CO2 as well.
 
Hi, update after around two weeks.

By reading your advices about reducing amount of ferts I was reading little bit deeper about everything.
My tap water is very hard, and on few threads was written that in those conditions leaner dosing approach helps with things.

I reduced the ferts further, now I am adding 2ml per day Specialised and 6ml per day Premium.
I can say that montecarlo grows better, still some GSA on lobelia.
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I also changed Pogostemon with rotala blood red...which is still transitioning from emmersed growth, but has stunted leaves on few steams.
Was reading also that it doesn't like hard water, which made me read a lot about soft water aquariums. And some people who had constant problems with plants resolved everything by using ro/di water.

I will try and experiment a little with this.
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Nikola said:
Hi, update after around two weeks.

By reading your advices about reducing amount of ferts I was reading little bit deeper about everything.
My tap water is very hard, and on few threads was written that in those conditions leaner dosing approach helps with things.

I reduced the ferts further, now I am adding 2ml per day Specialised and 6ml per day Premium.
I can say that montecarlo grows better, still some GSA on lobelia.
View attachment 214423

I also changed Pogostemon with rotala blood red...which is still transitioning from emmersed growth, but has stunted leaves on few steams.
Was reading also that it doesn't like hard water, which made me read a lot about soft water aquariums. And some people who had constant problems with plants resolved everything by using ro/di water.

I will try and experiment a little with this.
View attachment 214424
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Whenever I overdosed the rotala group with no3, I experienced stunting and deterioration in the hills. I know that my soil has lost its ammonia properties, so I use a combination of urea and NH4 as my N source, 0.181ppm x5 weekly.
 
hasan66 said:
Whenever I overdosed the rotala group with no3, I experienced stunting and deterioration in the hills. I know that my soil has lost its ammonia properties, so I use a combination of urea and NH4 as my N source, 0.181ppm x5 weekly.
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Good to know, thanks.
Are your rotalas red under that amount of nitrogen?
 
Hi guys, wanted to give an update.
I'm going without algae now for a two months already.
Thank you for all your advices.
I'm using RODI water, remineralizing to 5dGH, KH not adding.
Keping pottasium around 15ppm
Phosphate around 5ppm
10ml of Tropica premium per day
4ml of Tropica Specialised per week

Had a huge problem with green dust algae, have tried everything from forum to fight it.
I have strong light(4xT5ho) which I didn't wanna change.
After all struggle, I have just decided to not change anything for couple of months and just wiping it on weekly water changes.
So by it self after two months it just started showing less and less and now finaly gone( can go a week without dirty glass).
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Nikola said:
Hi guys, wanted to give an update.
I'm going without algae now for a two months already.
Thank you for all your advices.
I'm using RODI water, remineralizing to 5dGH, KH not adding.
Keping pottasium around 15ppm
Phosphate around 5ppm
10ml of Tropica premium per day
4ml of Tropica Specialised per week

Had a huge problem with green dust algae, have tried everything from forum to fight it.
I have strong light(4xT5ho) which I didn't wanna change.
After all struggle, I have just decided to not change anything for couple of months and just wiping it on weekly water changes.
So by it self after two months it just started showing less and less and now finaly gone( can go a week without dirty glass).
View attachment 217590
Click to expand...
very nice @Nikola…

So by your dosing what is the weekly total values for No3 (?), po4 (5pppm right?), and Fe+micros (?)…
At GH 5 your Ca and Mg levels are about 20ppm Ca and 10ppm Mg or something like that...
 
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DudeFromPantanal said:
very nice @Nikola…

So by your dosing what is the weekly total values for No3 (?), po4 (5pppm right?), and Fe+micros (?)…
At GH 5 your Ca and Mg levels are about 20ppm Ca and 10ppm Mg or something like that...
Click to expand...
Thank you.
NO3 dosing is around 5ppm per week(don't know real ppm in water)
PO4 yes it's 5ppm.
Adding tropica premium for Fe and micros, it's around 0.3 ppm of Fe.
Ca 15ppm and Mg 5ppm.
 
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