My Rain4 has been up and running for 2 months, but it's not doing much.
Attached is a photo. This is about all it's ever done - orange/brown slime looking stuff. And it's never been more than the amount you see in the photo, so I've never cleaned it yet.
I've tried various light, timer, flow settings, and I haven't seen much of a difference.
I just need some hand-holding on where to start - a plan of attack.
Alk 8.9
Nitrate 15
Phos .17
Calc 438
pH 8.1
Thanks for any help you can provide.
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