Reddit mentions of PH Meter, Preciva Digital PH Meter with Large Backlit LCD Screen 0,00-14,00 PH Measuring Range Water Tester with Four Free Calibration Powders, ONE Screwdriver and One Plastic Box(Batteries Included)…

Why milk curdles under acid conditions:

https://www.thekitchn.com/the-science-behind-why-acid-curdles-milk-222962

Basic pH meters are surprisingly cheap but you should calibrate with ‘buffers’ if you want to be more accurate (come supplied with this model):

https://www.amazon.co.uk/dp/B071XFRLSN/ref=cm_sw_r_cp_api_i_C-aADbGFXZCNH

(Am chemist)

Yeah I did calibrate it, albeit 2 weeks ago or so.

I got 8 vs 6.4 when I tested it today, going to try hydro for the first time.

it was this one came with FREE calibration powder.....

scrog is basically hanging a net above your plants and then you use lst methods to weave your growth into the net, it keeps an even canopy so you get better use of available light

i would highly recommend a ph pen if you can swing it, i use just a cheapie i got from Amazon

PH Meter, Preciva Digital pH Meter with Large Backlit LCD Screen 0,00-14,00 pH Meas... https://www.amazon.ca/dp/B071XFRLSN/ref=cm_sw_r_sms_c_api_i_XcTDDbA9R8V76

it's that one.

I've never heard of those nutes around my area, but after quick look online shows it has a lot of different components to it, i like simple myself

I'm using this for flower: https://www.neptunesharvest.com/rf191-1.html

it's been pretty nice and easy to use, with one bottle only and all, and my plants have loved it

Give this a try.

Good luck!

I purchase whichever is cheapest on Amazon. They last 1-2 years and are accurate enough for my uses. I'm currently using this one.