GFO for phosphates question.

fernalfer

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Ok my 120 gallon tank has been running for almost 8 months now. I have won a battle with cyano by just doing regular weekly water changes and feeding less and also cut back on the lights. I have since ramped the lighting back up and have alot of brown algae on the rocks and sand. It is not diatoms i went thru that bloom and know what it looks like.

So i had a BRS GFO reactor deluxe that i have never used so i figured i would hook it up. I used the BRS High Capacity GFO as well. It has been running for 5 days now. All corals are perky and nice and i do see the algae looking like it is starting to recede. What i don't understand is before the GFO was added i was cleaning off my glass of algae every 4-5 days. After running GFO i seem to have to clean it everyday. Shouldn't it be the other way around. Is this normal when first starting GFO up?
 
Its made of iron, algae need iron so that could be why. :)
 

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