green spot algae

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timwag2001

Aquarium Advice FINatic
Joined
Jan 7, 2009
Messages
980
Location
MA
my anubias nana has green spot algae on 6 out of 9 leaves. should i just cut them off? i'm not going to be able to get rid of it any other way am i?
 
you can scrub it off with a tooth brush. An excel or bleach dip might prove useful. Slow glowers are susceptable to algae growth. I use an excel dip and a toothbrush on my anubias about once a month and that keeps them pretty clean.
 
Generally you'll have GSA on your glass as well. GSA indicates that you need to increase your phosphate dosing.
 
GSA I assume is exactly what its called... little green spots all over the glass... I have that WICKED... what will help reduce it? phosphates... how do I add that?
 
i've been adding phosphate and it's helping alot but not completely. it grows on my glass but i use my magfloat for that. it's the stuff on my anubias that i'm concerned with getting off.

my nitrates are at 40ppm. based on the 1:10 P to N ratio, should i have 4ppm of P?
also, i've seen a few times around the web that the K should be 2x the N? does that sound right?

4ppm P
40ppm N
80ppm K

???
 
nameless poet. do you have live plants? the albums that i looked at under your profile looked all fake? i dont know about dosing anything for an unplanted tank.
 
ive started with some live plants now... some white ribbons and some gold ribbons... ill be adding more in les than a month after a few paychecks :D
 
sorry to break the news to you but those arent aquarium plants. you get them from petco?
 
Tim, that ratio is better if you can control your N... 1-2ppm P, 10-20ppm N, 20-40ppm K.

I think that 80ppm K (while not necessarily dangerous) would be overkill. Your plants are not going to use it that quickly. I also think 4ppm P starts to get dangerous for your fish. In your situation with the inherent high N, I would just shoot for 2ppm P and 20-40ppm K.

And yes, NamelessP, those ribbon plants are non-aquatic. They won't survive long term in your tank submerged. Eventually they will start to rot from the base up, and could potentially cause ammonia/nitrite spikes in your tank.
 
yup... PETCO it was :( figures... are their any plant that look like them? I LOVE the verigated look? I'll be going back and asking for my $ back thats for sure.
 
The easiest and cheapest way to dose Phosphate is to get some dry ferts including KH2PO4. The recommended beginning target is 1-2ppm Phosphate to 10-20ppm Nitrate. Keep in mind that this is just a starting place. I found that to get rid of GSA it worked better to have a ratio of 1ppm Phosphate to 5ppm Nitrate. Since my Nitrate was at about 20ppm, I dosed the Phosphate to 4ppm.
 
my N is at least 40 ppm. what do you recommend for P? i've gotten it up to 4 but its making me nervous dosing so much
 
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