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- #41
oopssteptinit
Well-Known Member
Good question. pH pens are not perfect, ... but they do get close to actual values.
So, ... what I do for one feed ... is to add all my nutrients ... then pH up to 6.3.
Then, for the feed after that, I add all my nutrients ... then pH up to 6.8.
This way I am guaranteed to get excellent nutrient uptake by the roots.
The other thing I do for feeding is to make a light feed ... with all my nutrients ... about 250 ppm ... and use this as a supplement foliar feed.
I would never suggest foliar feeding without a TDS pen ... even if you are using FF Flowing Kiss ... it's too dangerous to foliar feed blind.
Knowing your ppm gives you feedback over time that you are feeding more and more nutrients to your plants as they grow. Also, you can have quantitative confidence that you are not overfeeding or underfeeding.
Thank you SQl, you made that simple enough that even I can understand it, which means that I can copy and paste this into the email to the missus explaining why there will be yet another amazon order forthcoming for a TDS pen. And, I have been catching up on your journal, looking good over there, by the way.
Thanks again!