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Old 09-28-2006, 09:49 AM   #11
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Whew... Thanks for responding. I was getting a little worried.
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Old 09-28-2006, 09:43 PM   #12
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thanks for the replies,

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You ought to think about getting a RO/DI unit and getting rid of it all. Not just phosphates. You can get them for a very good price on ebay. Good Luck
I do already have a RO unit, sorry I didn't clarify that, Only I'm still getting algae everywhere and was wondering if my PO4 was too high.


now i'm really confused;



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The reverse osmosis is more for the phosphates, the deionization is more for the excess metals the R/O misses.
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The DI section is what removes PO4.
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Old 09-29-2006, 02:53 PM   #13
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Go to manufacturer's web sites and look at their posted rejection rate.

http://www.yourwaterneeds.com/DW_CTSerie.asp

http://www.aquariumcity.btinternet.c...nic_Plants.htm

If you are running a Reverse Osmosis unit already, you may want to compare the source water with the post R/O water. Take the reading from the R/O, and divide it by the reading for the tap. This will give you the rejection rate. You should be operating with at least 93% rejection. If not, you may need to replace your filters, and possibly the membrane.
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