joeogio

i just noticed this in my 40gb and have no idea what it is

hello i thought i would update everyone on my build progress.

my sand came in today i ordered 75lbs of fiji pink from carib sea, yesterday i finished my plumbing up and i filled the closed loop intake line up with water to sorta leak test it so far so good we will find out for sure when its running. and right now my tank is being filled up with ro water it should be done some time tomorrow and ill start heating the water and testing the closed loop then ill get my salt mixed in. ...