there is know way to keep your 1.5 fish tank warm with out a heater or lamp only if the house is really warm but i mean you have to be sweating and your doing nothing
so ok here's the real story i bought a male betta fish i feed him like the usual.then like 2 weeks later it died i tested the water it was fine and the water was not cloudy. please help this might save human life!
its in a 1 gal tank results were fine water was filterd
room temp i cleand its...