^Slanty
Active Member
As legallyflying has already stated, PPM levels for UC setups are MUCH lower than conventional DWC type setups! I only have a 2 site setup, and did not take the PPM levels above 700 during Veg.(my tap water is 200 and ~500 of nutes!) Just make sure to keep organics out of your UC setup and keep your water temps under 72 and you will be laughing! Here are a couple of shots of my current grow: