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Trust me I've spent some decent amount of money ph meters

Are these any good. 4 stars out of 705 reviews I would think is pretty good. Thy claim .05% accuracy on ph and .2% on tds

What meter is relatively cheap and accurate.? If those two can actually go hand and hand

Yesterday's ph 6.09 Ppms 600 Today's Ph 6.01 Ppms 615 Plants drank 1.5 inches in 50 gallon drum so around 1.5 to 2 gallons

Yeah can easily drop the temp to since my 11btu mini split is setup inside the tent but when I turn down the Ac during the day it'll really drop it at night probably low 60s. Roots are hard to see since in buckets inside of grow bags but I'll check to see f they made it through the bags I'm...

I'm using RO water and I haven't changed the filters since I bought it 2-3 yrs ago but the ppms coming out are still never past the the teens. Sorry I was trying to hurry and post while my girlfriend waited for me to finish using the computer. I've used Canna's line before, i used three part...

i've used different nutrients to try and fix the problem. I'm really confused here. I always get into about 3 weeks of flower and little light spots start forming on older leaves usually around the center of the light. The spots turn into crispy pieces and brown spots appear. I've tried Calmag...

Just checked and ph is at 5.66 and 610 ppms. Obviously something is wrong if it can jump that quick in one day Edit: calibrated ph, ec, and ppms with all three calibrations liquids and got some different answers in the exact same solution Ph. 5.78 Ec 1.34 Ppms 672

Right now I have my tent set up better than ever before. Mini split Ac is in the tent so I can control the temp easily. Lights on is around 73-75 lights out is 69-71. Dehumidifier is in the tent so it's set to 50 and stays there all day and night. C02 controller controls the c02 and keeps a...

Ph was 5.5 and ppms went up to 665. Plants look better as of last night Anyone know what's going on? I added another 5 gallons of water and added ph up to around 5.8 and ppms went down to 580 What are my plants trying to tell me?

Update: I believe you were right jack as I did give them calmag one previous watering and the last watering as well and the soil plants look like they are recovering and the spots are not forming on the leaves anymore Now to the ebb and flow system. I added phosphurous at a rather small...

Okay. Should I do Epsom salts or Calmag for the soil plants? I have both. Just don't want to add cal if it's not needed. And have any opinions on the ebb and flow plants?

Temps are 72 during the day and 69 at night so I don't think it's temp. And what's crazy I had purple stems and no growth at .5 ec so I added more nutes to 1.2 and finally saw growth but the purple didn't go away. Added calmag, didn't go away, changed to Lucas , hasn't gone away, now added...

Yeah but my last grow was the same cheese and didn't have any purple.

The plants in the ebb and flow system is cheese and the plants in soil are Pineapple Express

So i'm having three different issues so bear with me. I'm gonna explain the main one since this is the setup i plan on using and getting away from soil (cuz i suck at it). So I'm having problems with this new ebb and flow setup. I've finally dialed down the amount of floods and i've seen some...