Aussie Growers Thread

If I leave a PH solution sit over a 24hr period in a sealed container (plastic milk bottle) it drops pretty sharply. Eg high 5s will end up mid to high 4's. My water is tank and approx ph of 6.7
Is this normal?

I'm using a bunnings ph probe thing
 
If I leave a PH solution sit over a 24hr period in a sealed container (plastic milk bottle) it drops pretty sharply. Eg high 5s will end up mid to high 4's. My water is tank and approx ph of 6.7
Is this normal?

I'm using a bunnings ph probe thing
They are useless
 
Fucking wish thay where ready fuck just wanna get start this job fuken over being stuk at home stressing cuse no mony im thinking of putting on buy swap sell page mow peoples lawns cheap small jerry can cant be tjat dear
 
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