Hi, you mean Old Sea Mud Powder ?
Hi There,
I have just started cycling my tank and I just learnt of BT-9. I read that the best method is to put it on top of the substrate or under the substrate. As I already started cycling, this is impossible. With my tank water running already, is it still advisable to add in BT-9 to speed up cycling?
Thank you for your help!
Hi, you mean Old Sea Mud Powder ?
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