Essentials pH pen

[GasMan]

I end up buying the blue lab ec pen way better then essentials mate it reads it way quicker has temp on there and a light

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I know the blue lab is a bit more pricey. Tbh a truncheon wouldn’t be a bad shout. Will see what moneys like at the time. With the pen you have to recalibrate the truncheon is done from the factory that’s a bonus in itself


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