Quote:
Originally Posted by jackson6745
I have replace all of my rubble with this media. 2 gallons of balls + 1 large block.
 IMG_4752 by rich colombo, on Flickr |
I think that if you replace the large block with more balls, the surface ratio will be higher, providing more surface for aerobic and anaerobic bacterias to growth.
Just a though, if it is working as is, good enough for me