Izzy1980
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Thanks, do you know if I can add a ph down solution so early in the seedlings growth or could it kill it?If your coco than try to keep ph at 5.8-6.2 ( I like it at 6)
It’s the sweet spot for absorption of cal/mag and most of nutes, ive tried 5.8 and I always get purp stems cause I can’t absorb calcium/magnesium as fast as it should.
Soil ph = 6.3-6.5 veg, 6.5-6.8 flower
Hydro ph = 5.5-5.8 ( I’m def no expert, not sure if I’m flower you go 5.8-6.0 to absorb more for hydro)
Once the true leaves begin to develop then I start feedings at 200 ppms.That's really reassuring thanks, when do you introduce nutes to the feed, is it 2/3 weeks into growth dya think?
Izzy
Makes sense Chemistry Thank you, I think I make it harder on myself as I read so much and so many different people have massively different views it boggles my mind
The humidity and temp in my little grow tent are 24-25° and the humidy is around 40%,
Is the humidity too low, ive seen people here on 60% humidity or thereabouts as a rule?
Izzy
Hi Chemistry and Kot,Run my humidity at 50% in veg, a bucket of water with an air stone bubbling in the corner will bump it up if you need to.
Im a real newb, what is ppms? Sorry!!
Wow, I hope Im as knowledgable as you o e day!!, that's great, thanks so much for taking the time to explain, you need to learn so much its great learning!!!PPM is parts per million. It’s a TDS measurement of total dissolved solids in your water or nutrient feeding solution. Buy a TDS meter and find out what the ppm (or ec) is for your tap water or whatever water you are using to grow. Note the measurement and then add in your nutrients. Then take another reading. The difference is the amount of nutrients you’ve added to your source water.
In hydroponics it’s important to know the conductivity value of your input solution and the value of your runoff or output solution. The difference tells you how well your plants are feeding and absorbing the nutrients it’s being fed.
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