Owlfarm
- Posts
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- Dec 1, 2013
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Whatcha guys think about a boron toxicity? Is that barking up the wrong tree? Pre RO filter my boron level is 1.92 Mg/L which is kind of on the high side..
I think the wrong tree... I feel it's a nutrient ratio issue. Often micros are first locked out. Did you adjust feed and cal mag yet?Whatcha guys think about a boron toxicity? Is that barking up the wrong tree? Pre RO filter my boron level is 1.92 Mg/L which is kind of on the high side..
That's why I feel it's a ratio issue. Your cal and mag are going to be a much higher ratio in relation to other nutrients. This can cause a lockout of other nutrients. But if you have a plan give it a go.Nope, yesterday I drained my water tank and filled it from a neighbors well. It’s a way better well than mine. 50ppm out of the tap. I figure I’ll drain my system and fill with the neighbors water and that will rule out something weird going on with the water like boron toxicity or petrochemical contamination or something.
I’m still not sure about raising ppm though. A few days ago I bumped calmag from 1ml per gallon to 2ml per gallon and I got more toxic hooking looks.View attachment 926509
Still think that's to low but up to you. You will see deficiencies if it's to low also because they will only uptake so much water and that translates into how much nutrients will be taken up. But your call.Ok, yeah I see what you’re saying about the ratio. Maybe I’ll just dial back my calmag to 1 ml per gallon. And then keep my veg a and b at 1/2 ml per gallon.
I can tell the lighting is different which means nutrient demands will be differentHere’s a pic of plants at other site with 1ml per gallon calmag and 1/2 ml per gallon veg a and b.
ppm is at 200.View attachment 926688
Nope your still right bro works the same. Only real difference is it builds up more easily in soil since we do res changes.Cal-Mag can cause issues with magnesium deficiencies, oddly enough. The higher Ph of the Cal part can keep magnesium locked up and not avail to the plant. Look at some pictures about magnesium deficiencies and I think they look somewhat similar, at least to my tired old eyes.
***UPDATE***
After re-reading the post, I again realize that you are using a hydro system, not soil/soiless/Coco/Promix. Disregard most of what I said as it mostly applies to soil type growing, not hydro. Sorry for the detour!
Very nice clean looking systemHere’s a pic of the first part of my water filtration. View attachment 926752View attachment 926753
I doubt it. It's either nutrient or environment related in my mind.Yeah it was quite the job putting it all together. The RO system is up on a hill by the holding tank. The water is terrible out of the well. Ph 9, tds is about 400, lots of iron, sodium, all kinds of minerals.
The bummer is the well right across the street is excellent water coming out at 50 ppm. It also has excellent flow and provides for about 3 properties.
Oh well at least after treatment I’m getting 0 ppm out of the tap. It’ll be interesting doing more water testing soon, I’m wondering if my blue lab meter could just be missing some minerals in the 10-20ppm range and that be causing problems.
Wtf!Found these floating in res now... View attachment 923210
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