Thread: How much GFO?
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Old 01-31-2015, 02:59 PM
mikellini mikellini is offline
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Quote:
Originally Posted by gregzz4 View Post
The BRS calculator states I should use .86 cups for my system.
That's about 225mls.
I've been battling algae for over a year and decided to back off my GFO amount.
I'm down to 100mls/month and the algae is under control.
I feel the added Iron from the GFO was part of my issue, not the GFO stripping the system as I've always had some measurable PO4.
Have you thought about using phosguard instead? Or alternating between the two? I know there has been some concern about elevated aluminum levels, but now we've seen Triton tests that show elevated levels of aluminum in some salt mixes (with no obvious ill effects) and other tanks running aluminum phosphate remover with normal levels of aluminum in the water column.

Basically I'm just giving myself a pep talk here because I'm going to use up some Seagel I have laying around (mix of phosguard and matrix carbon).
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