Cool....I will try the airline for filling, I was using a turkey baster....and also a backboard with the color charts on it....or just an end to end cut that the cards slip into behind or to the side of each tube....hmmm
never know till ya give it run!
Thanx again. _________ 
Currently have 55 gallon in cycle ...began August 27th.
Tick tick tick tick tick....  |