That’s my understanding as well OG
Thanks for the confirmation Sis
No worries and standing by Grow Bro
These guys/gals got ya covered!!! The only thing I might add is that when you are watering to runoff for collecting a sample to read throw out at least the 1st cup or 2, then collect your sample to measure. Og may have already hit on this…
Thanks for this info! It was my next question in line - the “how-to” in collecting the sample. I just watered until I had about 1-2 cups of runoff and put the meter to it. Perfect! Thank you @Pinboy
@OGIncognito did you say you use an Apera tester? I’m trying to calibrate. Calibrated PH fine but when I attempt calibrating conductivity I continuously get “er1” message. Following last manual instruction to soak in soaking solution for 30 min. Any idea?
I have separate PH and TDS pens. Apera 20 and. BlueLab TDS
They look happy and healthy!
@Pinboy They do! The one in front/left here appears different to the other 3 - leaf shape and color tone. Coincidentally this is the one I topped. Do you think the difference is because of phenotype or the stress created by topping?
Another question while we’re at it : do you clean drip trays following watering/feeding? I’m guessing if not there will be accumulated residual of nutes that will impact each subsequent measurement …? Over thinking here, or legit?
Thanks for taking a peek!
I’m thinking it’s just a different pheno. As far as the drip tray, I never really cleaned mine, just removed the runoff water. I suppose if your trying to get accurate Ppm’s it wouldn’t be a bad idea
I think I FINALLY figured put my Apera pen and why it wouldn’t calibrate for conductivity. I think the sample collection vials got mixed up and therefore contaminated. Just made me consider the drip trays. But that sounds a bit overkill.
Cleaning the trays doesn’t really sound like a stretch if your looking for really accurate numbers. I never really tested mine unless there was a problem. I have a cheapo tds meter that only reads ppm’s so I’m not familiar with how to convert the ec. I’m glad that og is helping you with that
Should have paid more attention in math classes all those years ago.
Lol me too!