My LFS rep has told me that plants would not survive in this hard, high-PH environment and that the refugium concept for a Cichlid tank won’t do any good. Obviously, were I to incorporate a refugium, all of the plants would (from what I’ve read) warrant extra care to ensure continued, adequate oxygenation of the water for the fish. With circulation rate of 8-10 times per hour and use of air stone bubbler in tank I am hoping that I’d be OK. Any advice, comment you might offer would be very much appreciated. Many thanks for your collective (crew) support to we ambitious novices!! Best Regards, Brian. Re: Refugium benefits in freshwater nitrate reduction Bob, Thank you very much for your informative (and quick) response and time. I know you cover a lot of technical ground for so many, but I do have a follow-