Did removing the bio-wheel have any adverse effects on the established tank? A few months ago I replaced my eclipse hood on my 15 gallon with the twin-light model so as to be able to grow plants. Consequently, I have an unused Eclipse hood/filtration system itching to be put into use. I've recently gotten my friend hooked on fishkeeping and we are going out tonight to get supplies for her second tank.
If I were to buy a 10 gallon and take the Bio-wheel from my established ( ~4 years) 15 gallon, replacing the old one with a new bio-wheel, is there anything I need to do maintain the bacteria colony or would the colonies in the gravel, etc. be sufficient to rebuild the bio-wheel colony?
Thanks in advance,
~jeff