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Old 08/09/2015, 05:09 PM   #1511
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Join Date: Jun 2009
Location: corunna,ontario,canada
Posts: 263
Originally Posted by Adrnalnrsh View Post
Where did you get these things?
I use Brightwell Aquatic Posphat-e and dose it in a 10Um filter sock.

I have a diy sulphur denitrator, similar to this

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