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trenac · 01-26-2008, 06:24 PM

If you are dosing a micro nutrient, you should be suppling your tank with enough iron. If you want to make sure, dose 5mm for every 10 gallons once a week. There is really no good way to test for iron. Over dosing iron can cause algae problems.

01-26-2008, 06:24 PM	#2 (permalink)
trenac Senior Member Join Date: Jul 2004 Location: North Carolina Posts: 7,463 iTrader Ratings: 25 iTrader Positive Rating: 100% Plant Points: 179973	Re: How much iron to pump? If you are dosing a micro nutrient, you should be suppling your tank with enough iron. If you want to make sure, dose 5mm for every 10 gallons once a week. There is really no good way to test for iron. Over dosing iron can cause algae problems.