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Ph

Grow_bianco_rosso_92started grow question 6y ago

Hey guys, I have a pH regulator, but the only thing is it's a couple of years old. Is that a problem? @ because I see there's no expiration date written on it, etc. Thanks guys, have a great day!

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GMSgrowsanswered grow question 6y ago

They dry out after a while so they need to be replaced. Some of the good ones have replaceable tips so you dont have to buy a completely new unit. Cheers

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