My leaves are turning yellow and don’t know what to do

[Rugar89]

Let me refer you to this thread as it gives lots of opinions on different meters from members of this forum.

Lets talk about PH Meters

@Countryboyjvd1971 @bob31 @Zombo @Hogmaster @Lia @Majiktoker @garrigan62 @latewood @TokersHaven @Niala