polished river rocks
just be careful when buying from the dollar store i did this once and the rocks were painted black and the paint flaked off inside my tank.
treat your cat as a scaleless fish --- remove any activated carbon and use half dosage or even less and treat the whole tank with that half dosage. and spring for a new heater.
Way to go! I agree with you 100%. I have kept Tiger Barbs with Veiled angel fish in a 70 gal tank. I was told it couldn't be done. For more than five years I never had a problem. Also i used to buy one fish when starting a new tank. after the water sat for four or five days I would put one...
I got my first Aquarium when I was eight years old and always had one until about twenty four years old. Now, I am 40 going on 41. I thought I new everything, I even laughed at some of the things I read in these type of postings. I have come to realize I am making the same mistakes I made...