Alge and plant nutrients

[TeeJay]

Ok everyone trying to figure out what nutrient my plants in this tank are lacking and which hair alge I'm dealing with. I dose easy green once a week 1ml and 2ml potassium for my Java ferns. Root tabs once a month from r the sword. All 3 pics are the same 10 gal tank. 

[Guppysnail]

This may help give a quick remission for algae so you can figure the rest out. Here is a short version and the full article thread we put together. 
 

place plants fully submerged in plain seltzer water. I use spoon to weight them down. Then place in a dark room for 9-12 hours. Then return to the tank. That’s  It kills the algae and critters can then consume it or it dissipates over time. 

 

[nabokovfan87]

@Seattle_Aquarist we need you!

Would it make sense that this is caused by excess potassium?

The paleness on the first photo is the biggest deficiency I see. Especially being a fast growing stem.

@TeeJaywhat are nitrates at when you test?

Edited July 26, 2022 by nabokovfan87

[TeeJay]

On 7/25/2022 at 5:58 AM, nabokovfan87 said:

@Seattle_Aquariste we need you!

Would it make sense that this is caused by excess potassium?

The paleness on the first photo is the biggest deficiency I see. Especially being a fast growing stem.

@TeeJaywhat are nitrates at when you test?

Nitrates are 20-30 for this tank after easy green