I have been fighting a losing battle with phosphate levels. No matter what I do cant get them bellow .25. I have done large water changes, small water changes every couple days, reduced feeding, reduced lights etc. My Nitrate levels are ok. Not at 0 yet but getting there. Any help would be appreciated.
So my question is do frozen foods have a lot of phosphates in them?
Do I need to rinse the foods off first?
Frozen Foods
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Gerwin
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Re: Frozen Foods
food is the second largest input of phosphates behind city water supply. Are you using any PO4 export products?
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CaptJohn
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Re: Frozen Foods
Not sure what PO4 export products are...I have a 7 stage ro/di filter. I tested the water before and after mixing salt, both test are 0.
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CaptJohn
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Re: Frozen Foods
Ha googled it. Got it. po4 is the symbol for phosphates. Got it.. 
Going to start rinsing all frozen food with ro/di water. If that doesn't help, think I will try vodka dosing.
Going to start rinsing all frozen food with ro/di water. If that doesn't help, think I will try vodka dosing.-
bluwtr
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Re: Frozen Foods
Vodkay won't remove phosphates directly. You will need to use granlar ferric oxide (GFO) or Xport PO4 by Brightwell (my pesonal fav). Rinsing is a start however. Go see Gerwin and Rog and they will get you on the right path for both nitrate (NO3) and phosphate reduction/removal.
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CaptJohn
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Re: Frozen Foods
Yeah wes I did just that yesterday. Going to try this red sea product. Hope it works.
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bluwtr
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Re: Frozen Foods
Best of luck. 
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Shadow1
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Re: Frozen Foods
Wes is right the NO3po4 stuff works great on lowering Nitrate took mine from close to 60 down to 0 or at least undetectable in 4 weeks, maintanance cost for a 300 gallon system is about 30 cents a day so it is cheap it has seemed to help with the phosphate some but it does not do it by itself I do not think.
I am running 6 cups of HC GFO on my system and am on the 4th week of it holding levels below .06 I normally have had to change it out every other week when levels got to .1 Just my experience yours may vary.
I am running 6 cups of HC GFO on my system and am on the 4th week of it holding levels below .06 I normally have had to change it out every other week when levels got to .1 Just my experience yours may vary.