Re: Accelerate crossing back rings (6th level rings)
Prof JD, I am wondering if I could use Bio ring as gravel ? Fill the bottom of AQ with a lot of Bio/ceramic Rings. ceramic Rings won't raise my pH & gH so I can maintain the water pH at lower end (6-6.7).
I was having a hardtime to find the right stone for gravel.
can I do that ?
thanks
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