Without the TOOB we had a solid 8ppm of DO in our NFT system. On a really hot day, at the end of the gutters, we were seeing as low as 4 and 5ppm- which is a disaster. Now, with the BioTherm TOOB Dissolved Oxygen technology, we’re able to keep it up at 14ppm, which is roughly double, so it’s no longer the weakest link.
Working with BioTherm has been an absolute pleasure. First and foremost, if I had to describe the company in one word it would be family. It’s been only 2 years of working with them and I feel like I have known them my whole life. Anything I’ve ever needed they’ve been there for. When you have that kind of relationship, where they’re a part of your team like that, there’s no obstacle you can’t overcome.
We grow in a large-scale hydroponic environment, so anytime something changes, the effect is magnified. We were having issues with water temperature and pathogens, where the smallest mistake turns into a big problem.
By measuring our dissolved oxygen (DO), we discovered that DO was a factor we had overlooked. We started with a single TOOB, as a trial. Our plants responded within hours, straightening up and stretching out their leaves. I bought another TOOB the next day and added the O2 Generator to eliminate the oxygen tanks. Increasing our DO eliminated the issues we were having. The pathogens cannot survive at elevated DO levels, and we were able to create a much safer buffer zone.
We researched other DO systems, but they were much more expensive than BioTherm for roughly the same result. We solved our pathogen problem for less than two grand, using one TOOB and an oxygen tank. The O2 gas fills the hollow fibers inside the TOOB, then O2 molecules escape through nanopores in the fiber, sliding in between the H2O molecules of the irrigation water passing through the TOOB. You see any bubbles, so we use a Hanna DO meter to measure the O2 ppm. The DO levels are very stable – the oxygen stays in the water. After proving the tech in our first facility, we installed the same system in our second facility.
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