Is this cal mag issues?

JDMase

Well-Known Member
Can't tell if this is cal mag issues or ph or just a sick plant. I've been running this Pineapple Express from clones and all of them end up this way. Never stretches and produces bad, am I missing the cal mag maybe?

This run had high ppm run off which I sorted. Ph is stable around 6.0 but I use tap water and have no issues with any other plant.

Let me know what you guys think, I don't wanna lose the plant as its my favourite smoke.. I want to learn to tame it! Thanks!
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JDMase

Well-Known Member
Burnt tips can sometime be nutrient burn. I think it could also be a deficiency forget which one tho my bad.... Hopefully someone else get on here and help.
Thanks man, my ppm got to 1300 (tap water 300) so I brought it down to around 700 maybe drop it some more..
 

Roger A. Shrubber

Well-Known Member
if your tap water is 300 ppm i highly doubt you need any calcium. for the next couple of feedings i would just use ph'ed water, and get at least 10% run off. then pick the feeding back up at half strength and work up from there if necessary
 

JDMase

Well-Known Member
if your tap water is 300 ppm i highly doubt you need any calcium. for the next couple of feedings i would just use ph'ed water, and get at least 10% run off. then pick the feeding back up at half strength and work up from there if necessary
That's what I thought but I checked a diagnosis thing and it looked similar to cal mag.. Thinking now it could just be lockout due to high ppm. I'm running rock wool, it's a bitch when environment isn't right. Heat here is making my girls drink way more than I can anticipate.

Thanks for your advice! I'll give it a go
 

Roger A. Shrubber

Well-Known Member
if they're drinking a lot, you might want to pick up some distilled water, or look into an RO system. 300 ppm in your tap water is like giving them a dose of calcium every time you water. they can start to burn themselves from the inside out if they're transpiring a lot, the minerals in your tap water can build up in the leaves, making them feel thick and rough, then they start to get necrotic spots from the inside out.
i'd at least mix it half and half with some distilled to drop it down to around 150 ppm
 

JDMase

Well-Known Member
if they're drinking a lot, you might want to pick up some distilled water, or look into an RO system. 300 ppm in your tap water is like giving them a dose of calcium every time you water. they can start to burn themselves from the inside out if they're transpiring a lot, the minerals in your tap water can build up in the leaves, making them feel thick and rough, then they start to get necrotic spots from the inside out.
i'd at least mix it half and half with some distilled to drop it down to around 150 ppm
Ah that's a great point thanks! On that note, I just ordered a zero water system, Zerowater.co.uk. I'm hoping it'll be like a make shift RO system to get me by. Would it be best to mix tap and filtered water or just straight filtered with cal mag added?
 

JohnDee

Well-Known Member
JDM,
You'll just have to wait till you get it...and see what the output water is. Lots of guys dilute tap to use on plants. With your tap you could add two gal. tap with 1 gal RO...which would yield 200 ppm water for plants.
JD
 

JohnDee

Well-Known Member
Oh and JDM,
On the pineapple express. Note the color of the leaves. It's way too dark meaning too much N.
So your PE is obviously a light feeder. Try giving it half the nutes next time...and it may just survive. lol
JD
 

InTheValley

Well-Known Member
Watts=Nutes amount.

If your light is 250 watts, you should be using 1/4 strength. Nutes are for use with 1000w lights. so, 500watts, use 1/2 strength. Tap water, if municipal, has chlorine and most times fluoride. Dont use tap water, if you can get away from it.
 

Roger A. Shrubber

Well-Known Member
plants aren't fish, chlorine is good for them in small amounts, fluoride can be a problem, but weed doesn't live long enough for it to ever build up to toxic amounts, unless your city is way above the national average. it does build up in plants, but annuals don't live long enough, after 3 or 4 years, perennials plants and small trees can be damaged by fluoride build up
 
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