Help please. GSA Algae growth rampant. - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 06-06-2016, 12:16 PM Thread Starter
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Help please. GSA Algae growth rampant.

Hi everyone! I was gone on vacation for 10 days and when i returned, there was a massive bloom of GSA waiting for me. I put my tank in a state of stasis (Hallf the light and food, no ferts and no co2), however i am trying to identify the root cause of my gsa outbreaks. I never realized how much micro maintenance i did every day to prevent blooms on the tank walls. Attached is a pic of what i am running:

Thanks for the help!
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Last edited by JuanSan; 06-07-2016 at 05:04 PM. Reason: Correction
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post #2 of 7 (permalink) Old 06-06-2016, 01:09 PM
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6 hours with lighting mentioned, with no fertz,no CO2,won't help much.
I would resume CO2 (slowly with fishes present ),and full fertz routine, while removing the GSA from the glass.
Would remove the Ray II till I got thing's back on track and would use just the /finnex planted plus for the six hour photoperiod.
Can try spot treating the leaves of plant's with EXCEL or 3% hydrogen peroxide if they have GSA, but I have found that vals in particular aren't fond of either product.
Low phosphate is suggested as a cause for GSA.
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post #3 of 7 (permalink) Old 06-06-2016, 06:30 PM Thread Starter
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I do have a phosguard packet in my canister filter now that i think about it. ill remove that. Thank you!
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post #4 of 7 (permalink) Old 06-06-2016, 09:34 PM
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Root causes: no ferts and no CO2. You brought the plant growth to a screeching halt. That's what caused the algae.

Next time, skip the fish food. Keep CO2 + ferts the same. Reduce light intensity a bit.
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post #5 of 7 (permalink) Old 06-07-2016, 01:30 AM Thread Starter
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Quote:
Originally Posted by Saxa Tilly View Post
Root causes: no ferts and no CO2. You brought the plant growth to a screeching halt. That's what caused the algae.

Next time, skip the fish food. Keep CO2 + ferts the same. Reduce light intensity a bit.
I was on vacation for 10 days. That makes sense though with the fish food why there would be a bloom thanks!
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post #6 of 7 (permalink) Old 06-07-2016, 02:12 AM
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lol i love CO2: [censored][censored][censored][censored]ting two hours before lights come on and [censored][censored][censored][censored] off 1 hour after they turn off

Anyways, from your parameters it looks like you had a little ammonia and nitrite spike while you were gone that triggered a GSA outbreak. Should clear up soon. Your KH is very high for a planted aquarium as well, what's going on there?
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post #7 of 7 (permalink) Old 06-07-2016, 05:06 PM Thread Starter
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Quote:
Originally Posted by jmach View Post
lol i love CO2: [censored][censored][censored][censored]ting two hours before lights come on and [censored][censored][censored][censored] off 1 hour after they turn off

Anyways, from your parameters it looks like you had a little ammonia and nitrite spike while you were gone that triggered a GSA outbreak. Should clear up soon. Your KH is very high for a planted aquarium as well, what's going on there?
Using well water, which is notoriously hard in these parts. I am thinking about getting an RODI unit to cut into my tap water.


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