Plants going brown!

Hi all,

Got a bit of a problem with my plants. Seems like they going brown.

The only thing i changed was dose seachem flourish.

 

I also have this problem and will be watching this thread

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That algae ?

You might be feeding the algae more than your plants ...

Later Ferdie

 

On your first picture the yellow spots on the sword leaves might be an iron deficiency. The brown I see might be diatome algae or something comming of the wood in your tank and setling on the plants.

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Should i stop the flourish?
Same pic without zoom
There is some algae i dont think its hair algae its like long strands that i use a toothbrush to remove

 

That sword was super healthy about a week back. I actuallu snipped some leaves that were almost at surface levels. It was growing like crazy.

Could it also be new plants i added?

 

Long strand = hair algae. Keep going with the toothbrush

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Your substrate looks like silica.

 

PFS, not sure if its the same thing..
is that a problem?

 

PFS is a quartz gravel, so its silica dioxide (SiO2). I think boelderbeestie is suggesting that the PFS might have been a source of silica dust, especially if you didn't rinse it really well before you set the tank up.

 

im still not sure I understand? what would silica dust do? this tanks has been running for months now, wouldn't that have been an issue for a startup tank?

 

I suspect the brown algae is actually brown diatomes.
It should disappear over time.
To help it on its way you could add a couple of Otocinclus to the tank, or even a couple of Nerites.

 

Got 7 ottos today. They are amazing. Started cleaning as soon as i added them.

 

Pfs can leach silicates. Thrown in some nitrates and light and nutrients and you have ideal algae conditions. I has similar experience with silica sand (pfs). The diatoms never came right no matter what I tried. I stripped the tank down and started again. Some people have had better luck by cleaning and water changes but never worked for me.



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What fertz did you use before the seachem ...

 

Nothing, just osmocote tablets

 

Good thing them root tabz are not fertz ;-) ...

So if this was the first time you added the seachem, was it half dose or did you add a little extra because it was the first time?

My thinking - your plants never had water column fertz to this level or degree, so they still needed to adapt to some degree to consume them - but lucky algae was at hand to help with the short term oversupply.

Later Ferdie

 

It promotes algae growth. If your lights aren't overly bright it will take a few months. Nutrients are also low at startup.

 

LOL, I thought anything that feeds plants = fertz


i followed direction on bottle, went with 2 caps full twice a week..
maybe i shocked my plants!!
i added 7 ottos last night, i can already see an improvement on the sword

 

eish.. so this will be an ongoing fight??
what is an alternative to PFS? that will not require me to sell my wife and kids