Quote Originally Posted by flyinhighaj
The roots are in rockwool & hydrotron. They are not through the top bucket & into the reservoir at this point. The temp in the res & ph is good and balanced at 6.0. It is a recirculating drip system.
This might sound odd...

I'm thinking the Hydroton needs to be hit 15mins every 3 hours...

So less water more often is my advice...