LPT: If using a large tote you can just drill a few tiny 1/16″ holes near the top side wall for air exhaust. To create an air exhaust drill a hole in the bucket lid and cover it with a flap of double-sided duct tape to prevent light leaks. In a typical DWC reservoir, the hydroton will allow air to escape, so these exhausts are not necessary. The air pump will create positive pressure in the bucket which can create water leaks when the sub-pump kicks on. The system needs fresh oxygen from outside the bucket. Although you may think the water is being aerated by the sub-pump, it is not. I went with PVC since I already had some around from my SCROG build.ĭon’t forget to put an airstone in your bucket. You could likely save a few bucks by using a sprinkler head rigged up to the sub pump with a small 6″ riser. The tea strainer is easy to clean and can be found online for $10. ![]() You can get away without it but it’s a cheap insurance policy to keep the nozzles from clogging. I use a tea strainer hot glued to my sub-pump to prevent small bits of roots from getting inside the pump and impeding the motor. Modifying the Pump: Misting Nozzles / Sprayer & Filterĭrill appropriately sized holes for the misting nozzles. People on Reddit have mentioned they like to go up to 80F for cloning but that exponentially increases your risk of infection. Any more than this and I find the sub-pump increases my water temperatures beyond what I consider an acceptable range. Running the sub-pump on a timer also helps lower water temperatures.
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