Hi, might be a bit late but would like to say I have a uk 64 gall tank set up for 10 yrs +, with two external filters, 30 gall sump, and eheim reef 18w uv sterilizer, water change every 3 weeks, sump clean twice a year.
PH 7.5, Amonia 0, Nitrite 0, Nitrate 0, GH 5 dkh, KH 9 dkh.
Stock:- 10...