• Folks, if you've recently upgraded or renewed your annual club membership but it's still not active, please reach out to the BOD or a moderator. The PayPal system has a slight bug which it doesn't allow it to activate the account on it's own.

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    Sulfur Denitrator: Who's running one?

    I wonder if anyone still prefers using sulfur denitrators, especially with ORP controller? Planning to build one and have some questions...
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