JH420
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I agree with you! GREAT advice!What kind of promix are you using? If you dont use a bunch of additives and dont have to strong of a nutrient solution you shouldnt have to get runoff on every watering to clean out any salts from previous irrigation. also having your pots sitting with water in them for more than 24 hrs sufficates the roots and slows growth. It can also cause root rot which will lower your ph in your root zone. Get run off only when you want to check your root zone ph and tds/ec. And after you get runoff from checking/flushing your root zone lower your humidity a little (no lower than 40%) to dry your pots out faster.
Cheers,
GuFF
So what’s the proper way to drain and collect the run off? Does the container It’s going into need to be perfectly clean? Sometimes water just leaks out of the side of the fabric pots and Into the collection dish anyways.
You dont need to add perlite to promix HP. Some other types you do. And remember when the plants are small, sure they dont drink much. The first couple weeks you might start off watering once a week, then once every 5 days, then once every 3 or every 2 days as the plants root out the media.Lotsa good info here, thanks folks...next round will have to add perlite.
I keep hearing people giving advices on 10-20% run offs but my stupid mind keep thinking how the hell am i supposed to know when is 10-20%? Since we’re using promix hp. Can’t we just water the pot a few times a day but just little bit of water. By the end of the day it should stayed moist and saturated with new ph balanced water?
Just a thought though since i am also having trouble with promix hp right now.
No it won't have enough oxygen in the rootzone if you keep it saturated. And to calculate runoff you just collect it and measure it. So for example if you feed 4 liters, you should collect 400-800ml of runoff out the bottom to hit 10 - 20%
And you need to water slowly and let it reach saturation before getting runoff, if you pour it too fast it can just run through the pot and create drainage channels, which you do not want.
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