high phosphate how u lower it ??? - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 01-15-2005, 04:30 PM Thread Starter
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Exclamation high phosphate how u lower it ???

Hi all

i took an reading from my tank and got po4 of 5+ mg/l

so i got some water from tap and readings was same !!

is there anyways of lowering it ??.

i haven't got round to getting it tested at lfs yet put i don't think its the test kit. ive always had algae problems if i remember i did when i first started few years ago lfs gave me this black power like stuff to lower po4 but can't remember what it was.

will it be cheaper in long run to just go buy an RO unit ??

thanks for reading this (if u understand it thats an bonus )

Gavin
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post #2 of 6 (permalink) Old 01-15-2005, 06:40 PM
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First thing I would do, is give my local water board a call and ask them directly what the ph,kh,P04,N03,Mg and iron readings are, then double check my test kit to make sure, or get another test/opinion, or both.

Craig

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post #3 of 6 (permalink) Old 01-18-2005, 05:51 PM
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I'm in the same boat. My local water goes sky high in phosphates during the winter. I don't know why. There are a few different phosphate absorbers that you can run in your filter to suck up the phosphate. Phosguard and Phosban are a couple. I don't know if it's cheaper than R/O or DI in the long run, but it's what I do.

David
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post #4 of 6 (permalink) Old 01-18-2005, 08:33 PM
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Gavin, I don't think there's too much wrong with your test kit. I live in the same area as you and get similar results. I spoke to United Utilities and they say they only add between 1-2 mg/l of PO4...........yeah right! There's been a recent change in the amount of lead allowed in tap water and water companies are adding more phosphate to counteract the lead.

I've been using rowaphos to bring the PO4 level down and it does have some effect. Obviously though, every time you do a water change your almost back to square one.
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post #5 of 6 (permalink) Old 01-18-2005, 08:47 PM Thread Starter
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Quote:
Originally Posted by Iggy
Gavin, I don't think there's too much wrong with your test kit. I live in the same area as you and get similar results. I spoke to United Utilities and they say they only add between 1-2 mg/l of PO4...........yeah right! There's been a recent change in the amount of lead allowed in tap water and water companies are adding more phosphate to counteract the lead.

I've been using rowaphos to bring the PO4 level down and it does have some effect. Obviously though, every time you do a water change your almost back to square one.

cheers for that info about United Utilities ,nice to see somone from this area that "rowaphos" pops into my head think it might of been what i had.its black gravel type stuff in an tub with an bag
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post #6 of 6 (permalink) Old 01-18-2005, 08:49 PM
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Quote:
Originally Posted by nitromad
cheers for that info about United Utilities ,nice to see somone from this area that "rowaphos" pops into my head think it might of been what i had.its black gravel type stuff in an tub with an bag
Yeah! that sounds like it!
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