I'm working on a rodi for you.Sand-I believe @najer is helping with this
Rock- @Scratch08 and @Lowell Lemon have that covered
Refractometer- @sfin52
Powerhead- I believe @NY_Caveman is helping with this?
Testing- again, I think @NY_Caveman is helping with this?
Thermometer-
RODI- I can get water from my LFS for now
Does that look like everything?
