You used the power in your DWC res? I wasnt sure if that would even workI had a bit of trouble with slime that turned into rot with my rdwc, I tried pool shock, chlorine, pythoff, h2o2, cultured solutions. Nothing helped.
I then turned to great White and my problems were solved.
I had best results adding it to rez, I noticed a bit of growth on some surfaces but the plants were happy and that's all I really needed to see. Now I mix in water and then add to the rez because of something that's added as a carrying agent that settles to the bottom of my rez.
I stopped and ended up getting some browning of my root balls again, lack of growth. Back to the great white.
I am not using a chiller but the water temps rarely pass 20.5.
I believe my problems started with having the infection once and it persisting though all of the treatments.
Right on, checking out this king crab stuff now....Been researching bennies when I switched from organic soil to RDWC. Most of what I read said that mycorrhizae was great for soil but not very effective in water culture and that beneficial bacteria was the way to go for hydro. I considered Orca which has a nice variety of bacteria plus four different mycorrhizae also which I wasn't sure would be of any benefit in RDWC. I then noticed Plant Revolution, maker of Orca and Great White, have a new product called King Crab which is 100% bacteria. King Crab has the same bacteria as Orca but much more concentrated. Each bacteria in Orca measures 24,960 CFU’s per ml while the bacteria count in King Crab is 25,000,000 CFU’s per ml. King Crab is a little more expensive but at a dose of only 1/2 ml / gallon water it goes a long way. So I went with King Crab and have been very pleased with my results.
Edit: Application rate for King Crab 1/2 ml/gal, 1 ml/10 gal, 5 ml/50 gal.