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Unread 09/22/2017, 10:10 AM   #68
Anirban
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Join Date: Jan 2017
Location: North Carolina
Posts: 77
Quote:
Originally Posted by remi010 View Post
No, i test it with a Hanna Phosphorus not the ulr phosphate . I have already converted the values ​​into phosphorus because most people can not have the value of the phosphorus.

No3 is about 0.25 - 0.75


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I dont think Hanna sells a ULR phosphate its ULR phosphorus (ppb) only. Yeah just keep it somewhere lower than 0.04 for now and you should be good. After few months the rocks will stop leaching the PO4 and then you can lower it more if you want.


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