now every 1 laugh at me i made a super noob move and the bad part it has been going on for 4 mos.:tsk: ok it started the day i got the refractometer calibration solution. here it goes i calibrated it to .035 instead of 35ppt. wow that was hard.so yes my tanks have been running at.021 for 4 MOS!! im so mad but glad i caught this. actually explains alot of things. so let me hear it go on kill me. i know its not bad but its not good either on how much coral i have.