I use a 1/2" drill and 5 gallon paint stirring rod to mix up my Jack's. If only making one or two buckets, I use a small smoothie blender to pre mix before adding to bucket.
I'm growing in a 7x8 area with a 315watt cmh and a 400 watt enhanced hps. I've seen in store they make a 10,000k finisher bulb for cmh fixtures. However they want like a $100. I found a 12,000k 400watt aquarium bulb for $12. I decided to try that for 3-5 days. The recommended max time for cmh...