Need reliable PH Meter - Hanna sucks

smooothy

Member
I have a hanna ph meter and I always get different readings if I CHECK THE SAME WATER!
What is a reliable priced meter and brand-frustrated can't ph water right plants slowly turning yellow!!!!!
 
i cali. meter before and after testing water never the same reading

cali. meter -test water example= reading say 6.5 recali meter, take another reading saying 7.2

Always never the same reading or not near the last reading.

Plants slowly suffering
 
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