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I got GSA !!

1463 Views 7 Replies 3 Participants Last post by  goldfishes
Sorry, I meant GSA in the thread header :)

Exactly one week ago, I added DIY Co2 and 2 x 20 w , K CFL ( 60w equivalent each ) to m y tank. Almost within 2 days I saw a few spots growing on the glass. I had been using pre-made PMDD from Aquarium Fertilzer for the last 3 weeks or so.

Here are my questions :

1. Is this too much light for a 10 gallon aquarium? Should I use 40w equivalent bulbs instead ? I can reduce photo-period to 6 hours till the algae is gone, don't want it to be a permanent solution though.

2. In AlgaeFinder I read using Fleet Enema cures GSA. Is there a dosage ? I couldn't find any information on that anywhere.

Any help would be greatly appreciated.

- Dave
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I fixed the title for you. :D

#2 - is adding more phosphorous. If your dosing just add more.

I have two 16 watt over my tank. They do fine. 20w might be pushing it. You might want down your light a little. I can grow high light plants with the 16watt.
Thank you ma'am for fixing the tittle and thank you for your suggestions:)

I just bought Fleet Enema, will start dosing and see where it goes. Will also get some lower wattage bulbs.

My mistake, these are 15 watt CFLs ( 60 watt equiv. ). This is what I have :
I feel for you. This is the one algae I battle with. What is your current lighting period. I cut out one hour and increased phosphorus for 2 weeks and it is almost gone!
I do about 10 hrs of light. What do you use for phosphorus ? Have you tried Fleet for treating GSA ?
I used the Fleet until my dry fertilizers came in. I used the Fertilator to help me get the dosage right since there is an option for the Fleet on it:

With that amount of light, I would also consider cutting it back an hour or two. You could try 9 hours and see if it helps.
Thank you for the fertilator link.

Reduced light back to 8. I will start dosing Fleet based on fertilator's suggestion and see how it goes in a week.
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