Max Frost
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Single out an affected small plant and isolate her to a small floro lamp and area away from the others, and go get yourself a fresh gal of store bought water...use it on this 1 plant only for a couple days...it'll help you gazillions in your diagnosis...it should perk right up...my opinion is that it would have to be some kind of shit up ph to achieve them issues...at that stage of growth...especially with no feedings...ck very close for pest and disease...you mentioned gnats..may be a sign...lower the intensity of your light a bit maybe...til ya get a handle on it..I bet it's more than ph...Happy Frog...Floro...seed...water..will easily get you to that stage...of course you know that...look closely Maxx..single it out first, get back to the basics of growing...you'll then correct it...I'm guessing you are over-thinking your issue...that's easy to do sometimes...take a deep breath...this is not over your head or skills by no means...you'll win..I just know it...B
Looks like a nutrition burn . Even though more than likely your getting wrong readings with blue lab. Try HM makes great PH testers.SUPER informative guys!!! I've been having a pH issue I'm hopeful you scholars can help me solve! I have the Blue Labs pH pen.
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http://www.amazon.com/Bluelab-pH-Pen-Plant-Germination/dp/B005POOJHG
When I bought it, I got two so I'd have a back-up. I've been using only one of them for about 9 months now. I've been having pH problems which have worsened over the last 2 months or so. The problems are most apparent in early veg. The plants become stunted and get what I had thought was burn (but no feedings have been given at all, and I'm using straight Happy Frog soil -- shouldn't burn). Here's an example of what I'm seeing...
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I cleaned my probe with the Bluelabs probe cleaner and recalibrated. Then I put the meter in the 7.0 solution, it goes right to the "7" number. When I rinse and put it in the 4.0 solution, it goes right to 4.0! I calibrate and get a check mark indicating a successful calibration.
SO...I hydrated and calibrated my back-up unit thinking it was time to put it into service. Well..it seemed to take a long time for the meter to get to the 7.0 number. Then, after rinsing and placing into the 4.0 solution, the meter never did get all the way to 4.0. It only got to around 4.5-ish, and it took forever for it to get there! I hit "CAL" and again got a check mark indicating a successful calibration.
My problem is that the two meters now read differently and I'm not sure which to trust! The "old" meter still settles in on a number pretty fast, while the newer back-up meter is still taking a long, long time to get settled on a number. In fact, the auto shut off hits several times usually before it's done. The readings are several points apart with the newer back-up meter reading a higher pH in any solution. Example: When the old meter is reading 6.5, the newer back-up meter will be reading 6.7-9.
Common sense is telling me since I've been having unexplained pH problems (I've been suspecting my soil up til now) I should start using the newer back-up meter which is reading higher. However...something in my gut is telling me not too. It may just be my lack of confidence due to it's slow reading and difficulty calibrating.
I would really appreciate some of you all-knowing pH gurus lending me your advice! Would you trust the new meter or stay with the old? Do my problems in the pics look like they might be caused by higher pH or a lower pH? This would help me in deciding too.
Thanks so much in advance!
Best,
Max
My Hanna says very specifically not to use distilled water, which is the closest thing to pure water you can get.Im stunned, from what I remember, there was no indication In my manual for the BlueLab PH pen not to rinse with clean water distilled/ro:de-mineralized, actually, the manual for my EC pen from Martini recommends clean water, if im not having a bad memory
I just use straight from hose. Really hard water too . But not bad results with great genetics. Og kush reserva privada.My Hanna says very specifically not to use distilled water, which is the closest thing to pure water you can get.
First thinking you have a calcium/magnesium deficiency. The r/o filter is taking it out and you need to put it back in. Next I never try and test straight r/o water. There is nothing it it to test. I will add something so I get a reading. Before I test r/o water I add cal/mag and some molasses so the meter can get a more accurate reading. I know sea is going to jump in and tell you exactly what your problem is but for me that works.
I love my blue lab pen.....i read all directions and dont put it in ro water. Therefore my pens usually last several years.
I just use straight from hose. Really hard water too . But not bad results with great genetics. Og kush reserva privada.
I love my blue lab pen.....i read all directions and dont put it in ro water. Therefore my pens usually last several years.
Max you have potassium burn. which in turn will cause calcium and magnesium problems.
should probable flush with some dechlorinated PH'd tap water. Then hit with fresh batch of nutes with a bunch of runoff.
also your happy frog looks weird not used to seeing such big chunks of bar on top.
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