Digital ph meter buffered test solution

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brianhuahin
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Digital ph meter buffered test solution

Post by brianhuahin »

I have a digital ph tester for my pool and need to calibrate it. In the past I have imported,
at some inconvenience and cost, buffered test solutions of 4 and 10 ph.
Does any one know of a supplier in Thailand even better in Hua Hin.
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Big Boy
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Re: Digital ph meter buffered test solution

Post by Big Boy »

Locked as question already asked here viewtopic.php?f=10&t=18565
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