It can get nasty if it's not filtered properly when getting recirculated. But the UV chamber is a really affordable way to do it. This runoff gets filtered down to 1 micron then UV blasted, and further treated with H2O2 to keep the res and lines clean.Yeah if you have a res and auto watering it makes no sense to drain to waste. That’s why it’s called “waste” I guess.
It can get nasty if it's not filtered properly when getting recirculated. But the UV chamber is a really affordable way to do it. This runoff gets filtered down to 1 micron then UV blasted, and further treated with H2O2 to keep the res and lines clean.
Without some sort of effective waste water treatment, dtw works best imho. But it is wasteful.
Perhaps, but I wouldn't feel comfortable with that level of sanitation. Large grows that recycle will use either UV or ozone for a reason. The top of my delta blocks and my runoff totes turn green with algae, and my holding tank is equally questionable. Also if one plant gets a root pathogen it could spread to all the plants. Peroxide isn't going to kill fusarium or pythium effectively imho. Plus, the UV light was only a couple hundred bucks.. its good for peace of mind.I thought you just need h2o2 from time to time in a res. And change the water every week or two.
What are you using for the UV light?Perhaps, but I wouldn't feel comfortable with that level of sanitation. Large grows that recycle will use either UV or ozone for a reason. The top of my delta blocks and my runoff totes turn green with algae, and my holding tank is equally questionable. Also if one plant gets a root pathogen it could spread to all the plants. Peroxide isn't going to kill fusarium or pythium effectively imho. Plus, the UV light was only a couple hundred bucks.. its good for peace of mind.
Correction 5 mils per gallonWhat are you using for the UV light?
Does the water run thru it?
I am just asking dirtbag because I finished a run over the weekend and one plant had some root rot and I was running UC roots at 5 percent the whole way thru. It would be nice to have an inline UV light to just kill off anything that tried to cause problems.
What are you using for the UV light?
Does the water run thru it?
I am just asking dirtbag because I finished a run over the weekend and one plant had some root rot and I was running UC roots at 5 percent the whole way thru. It would be nice to have an inline UV light to just kill off anything that tried to cause problems.
Although Coco is not the best choice for recycling system, will it be better if I add UV to do recycling？This is a good article on the different ways greenhouses sanitize their runoff. Peroxide is listed but not considered as effective, particularly against bacteria, and its potentially more harmful to plants at higher levels. UV is just superior, and with a little added H2O2 also on top of that in a low dose preventative.. thats ideal in my mind.
Grower 101: Water Disinfection - Greenhouse Product News
Proper water management is crucial in today's marketplace: With increasing costs and competition, saving money when it comes to water and fertilizer has become necessary to keep production costs down. As soilless growing can create large amounts of wastewater that ends up being released into the...gpnmag.com
In coco I'd stick to a dtw system just because of the cec, even though it isn't really that strong. Unless using real small pots.Although Coco is not the best choice for recycling system, will it be better if I add UV to do recycling？
But in article, it doesn't mention how much wattage UV is needed（40W？）
Mine stays lit 24/7. They actually say turning it off and on repeatedly shortens the life of the lamp significantly. Mine is recommended to stay on. Same with my in house UV system. The lamps are good for a year or so and are about $40 to replaceTechnically , I think it is enough to turn on the UV for 2 hours every day in recycling system . If the UV is used continuously for more than 6 hours, the service life of the lamp will be greatly reduced.)
UV will not cause negative damage to nuts or kill some chemical ingredients ?
Mines named after a Greek God, Atlas or something.. has 8 on/off times and is programmable to 1 min increments.@Dirtbag What timer are you using for auto watering? Would you recommend if purchasing now, or are there any better options available now that you’re aware of? Was considering just using a smart plug that I could program from my phone, but not sure that’s the best idea.
I’m running soil, but re-doing my space to have the ability to seamlessly switch to coco/rock wool in the future, and also minimize physical labor (seriously ruined my back wahh). Already got the auto-drain set up using flood tables that drain to a condensate pump and gets pumped into my sewer line.
Nearpow is what I use... it goes to the second.Mines named after a Greek God, Atlas or something.. has 8 on/off times and is programmable to 1 min increments.
I'd get something with one second increments if you have the budget for it. This one works ok mind you, I just dial the flow in with a ball valve.
Week 8 and they're looking nearly done. I've got them on plain water as of now and will run them another week or so.
Really looking forward to taking a break.
View attachment 1125383
Look fantastic... definitely would prefer bigger mids also.Soo close...
They've been on plain water the last 3 or 4 days, runoff is below 0.2ec now. Today I shut the irrigation off to let them dryback over the next couple days, and when they're close to dry I'll kill the lights and drop temps for 48hrs. Should be finished right about week 10 of flower.
Really can't wait to take a break from growing for a few months. And super happy with how this crop turned out so far. True test will be the smoke...View attachment 1127881
Wedding crasher View attachment 1127883
Spiked punch
View attachment 1127882
Pretty clear this technique results in smaller tops and bigger mids. And im fine with that
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