I managed to kill my ATF that I've had since last August. I did a 100gal gravel wash on his 300gal tank and set the hose to refill it. I then went on to clean a dozen filters and feed out the fish room. When I finished feeding out, I left the fishroom (notice I didn't say I turned the hose off). I turned the hose on at 4:30PM. At close to 9PM, I went to do the dishes. When I turned the water on the pressure was way low. I'm thinking; "Why is the pressure low?" just as I realized what I did. I ran to the fish building (which had water streaming from under the door) and opened it to what looked like a migration of minnows (feeders). I started netting up feeders and didn't see until I got to the other side of the tank that my ATF had apparently swam the crest of the high water level onto the floor. He was past saving.
Later, I rigged up a brass nozzle on a long length of red wire. Anytime I even think of touching the hose, this nozzle will be hung over the entry door. When I turn the water off is when the nozzle can be removed.
The smaller ATF is a DOA the larger one replaced. The difference in size represents 10 months of growth in a 300gal.
View attachment 1095641
Later, I rigged up a brass nozzle on a long length of red wire. Anytime I even think of touching the hose, this nozzle will be hung over the entry door. When I turn the water off is when the nozzle can be removed.
The smaller ATF is a DOA the larger one replaced. The difference in size represents 10 months of growth in a 300gal.
View attachment 1095641
