Alfagrog rock is sold as SUPRA in the USA. Any thoughts?
Thanks, CW Your site has provided me with sound advice in the past. Here is my present question. I’ve had my new 125 gal planted community tank up for about 5 weeks. This was an upgrade from a 55 g. When I did the upgrade I moved everything (water, plants, rock, wood, fish) into the new tank to reduce cycling. My filtration consists of a large wet/dry filter that is new and 2 Penguin 330 bio wheel power filters that are completely seasoned from the old tank. My water parameters have me puzzled. Ammonia and Nitrite 0, PH 7.2, Nitrates above 100ppm. <... from the wet-dry...> I have been doing 15 gallon water changes every other day for 2 weeks and this week I did 2 30-40% water changes with thorough gravel vacuuming. There was quite a bit of dirt that came up with the vacuuming. I think a lot of the dir
