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MatPat · 05-12-2008, 07:56 AM

If you don't want to order dry ferts and pay shipping, you can always get Fleet Enema from a pharmacy (WalMart, etc) for a phosphate source and some Stump Remover from Lowe's (Greenlight or Spectracide) as a Nitrate/Potassium source. I used these for about two years when I first started my 75g and they work well.

If your tank is heavily stocked and you feed heavily you may be able to skip the Fleets and stump remover. Flourish Excel will probably help as well. Given your lighting, a carbon source is more than likely needed but if you start adding Excel you will probably need the Fleet and stump remover.

How long are your lights on? Cleaning the glass and reducing you photoperiod a couple of hours may be all you need to do to eliminate the GSA.

05-12-2008, 07:56 AM	#7 (permalink)
MatPat Moderator Join Date: Mar 2004 Location: Dayton, Ohio Posts: 3,819 iTrader Ratings: 34 iTrader Positive Rating: 100% Plant Points: 133525	Re: GSA (Green Spot Algae) If you don't want to order dry ferts and pay shipping, you can always get Fleet Enema from a pharmacy (WalMart, etc) for a phosphate source and some Stump Remover from Lowe's (Greenlight or Spectracide) as a Nitrate/Potassium source. I used these for about two years when I first started my 75g and they work well. If your tank is heavily stocked and you feed heavily you may be able to skip the Fleets and stump remover. Flourish Excel will probably help as well. Given your lighting, a carbon source is more than likely needed but if you start adding Excel you will probably need the Fleet and stump remover. How long are your lights on? Cleaning the glass and reducing you photoperiod a couple of hours may be all you need to do to eliminate the GSA.