Recent content by Bluejay888

I have a good friend that runs a business that does all the monitoring for many large grow houses in WA. He states ideal rh is 55%.

Yes, I use the Grodan app to record everything. The light exhaust is a closed system, so I don't think that pulls out much air. I live in the SW, so it's pretty dry. The a/c pulls humidity too. So my humidity is around 25%. Once the plants get big the humidity will get to 35-40%. What's yours...

Lonestar, I have a 4x6.5x8 tent running a 25 gal recirculating 5 bubble bucket hydroponic system. I have two 600 W lights with 6 inch fans on the intake and outlet. I use three CO2 fungus bags. I use a portable air-conditioning unit inside to regulate the temperature due to the 1200 W lights...