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R-dwc reservoir
Right hi everyone,
Not been on here for a good while, having my bathroom refitted so no grow on... Proper bummer.
Anywho, been contemplating hydroponics after growing in Coco.
Got a grip on the basics and I already do the PH and PPM so that's pretty standard.
My real question is how often do you drain a reservoir and replace with fresh water?
And is RO really needed?
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I start plants in a small system, when transferring to my rdwc system, i tend to do 3 rez changes, i start with my grow formula, i change my rez a couple weeks after flip to an aggressive bloom formula. And as the stretch stops i use a mild bloom formula, to finish the grow.
I typically have about 80l for a 4 plant system.
RO water is more dependant on your local water quality, but many grows are done with tap water.
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I’ll change the res once or twice in veg depending how long but in flower once a week.
I wouldn’t use RO water if I could help it, what’s your background ec? Providing it’s not mad high just use the tap water mate.
Atb
Redz
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I prefer RO, as I know exactly where I am with my res. But wouldn’t say necessary.
I always do a flush between veg and flower but then I just do as required, I’ve done one in 6 weeks (so far) But I do have 170 litres of water in the system.
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