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Most RDWC growers will never admit to having had a fungal infestations although Pythium and other fungi are ubiquitous in hydroponic growing systems. They have never had an outbreak because they simply maintained healthy plants and great water quality and there ain’t nothing to it if you can do...

How many of you DWC, RDWC cannabis growers test your reservoir nutrient dissolved oxygen (DO) with a thermometer to see how much or how little oxygen is actually dissolved is in the water?

Internet DO Charts don’t lie and real DO Test don’t lie, but the charts and test are seriously conflicting. The internet DO charts do not jive with the actual DO test results which I found was nothing like the DO chart predicts and absolutely shocking, but true and correct after 10 different DO...

Teas and brews, H2O2, Clorox, fungicides and then there is always replanting when all this stuff fails and all is lost. Discouraging no? You bet it is... On the upside-The vast majority of growers never have fungal problems because they can keep the roots healthy for several months until the...

Water chiller salesmen say you got to have a chiller and people buy them, they cost hundreds of dollars. These water chillers are expensive to buy, expensive to operate and repair, noisy, take up valuable space in a closet, constant aggravation to deal with… all this for what? So you plan to...

Anytime a DWC/RDWC cannabis grower cannot insure minimal safe DO saturations 24/7, that grower is in a world of dung. Most growers never know when he has low DO problems until the plant wilts then the roots get sick and die, then they rot and decay. Then the fungi colonize and eat the decayed...

Many dudes say you got to have plenty oxygen (DO). They say in order to get more oxygen, pump more air, add 2-3 more air bubblers, taller waterfalls, buy a water chiller and chill the res water, use H2O2, and always keep hoping there will be plenty oxygen. Many say if your DO is low your roots...