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Randy Holmes-Farley · 11/05/2009, 07:50 AM

I've not tried sodium hydroxide, but it doesn't surprise me as even salt water can displace the phosphate, IME. It may take a fair amount of water, however.

I'm interested to see how well it works for you.

11/05/2009, 07:50 AM	#2
Randy Holmes-Farley Reef Chemist Join Date: Apr 2001 Location: Arlington, Massachusetts Posts: 86,233	I've not tried sodium hydroxide, but it doesn't surprise me as even salt water can displace the phosphate, IME. It may take a fair amount of water, however. I'm interested to see how well it works for you. __________________ Randy Holmes-Farley Current Tank Info: 120 mixed reef