Rockwool dryback %?

milkchugger

New Member
So, I'm new to the hydroponics game, I grew in coco for a while and handfed everything and just recently we completely switched to 4x4 fill and drain tables. Still getting the hang of it tbh but I think I'm close to having it dialed in. I'm concerned that I'm overfeeding the 6x6 hugos that I'm using. I need to know the correct dryback % for these cubes. Roots grow crazy out of the bottom of these but I've never checked the dryback on these things. I have an aqua x pro so I'm going to order a meter for that system to get percentages. Thanks in advance
 
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