I heard about that stuff, the Ph perfect I think it was called. Seems strange to me that a product can Ph itself. I'm skeptical like you about it, but please share what you find out about it with us.

What system were you running before the AN line?
irydyum Reviewed by irydyum on . Having a deficiency issue What is your experience level? experienced Your Equipment: .1) Type and wattage of lights. HPS 1000 watts 62.5 wpsf 30-40k Lpsm .2) Distance from tops? 20-24 .3) Reflector type? enclosed reflector .4) Is there a consistent fresh air supply? closed enviroment 1000ppm co2 .5) Do you have an exhaust fan and a circulation fan?no exhaust lots of cirrculating .6) What are the bulb wattages, kelvin ratings, and schedule? 1000w horti's all brand new Rating: 5