https://www.youtube.com/watch?v=4Ne9bMTN98EI set up my first in home ap recently.now I used 1/2" poly pipe.thats all trhe hardwear store had.so I have the same size fill and drain pipes.i have a ball valve on the fill side.my bed fill time is 5-6 min.
drain time under 1 min.
30 gal. fish tank
2 50lt. beds.
should I try to get 1" drain line.the drainage is very concentrated.