i am changing my heater, do i just replace old one and put in new one right away or is there a special procedure?
thanks
69gallon
2 red rainbows
2 boesmani rainbows
1 madagascar rainbow
1 red tail rainbow
2 cherry barbs
2 red torpedo barbs
2 silver mollys
2 yellow gouramis
thanks
69gallon
2 red rainbows
2 boesmani rainbows
1 madagascar rainbow
1 red tail rainbow
2 cherry barbs
2 red torpedo barbs
2 silver mollys
2 yellow gouramis