Comment to P H pin
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i use the blue lab cleaner on both my blue lab pens.i have the guardian that stays in the res and monitors the temp,ph and ppm. then i have the hand held blue lab pen that stores in solution.
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they are pricy but love the fact of being able to look at the controller on the wall and knowing all the things are in spec without having to get the handheld unit out all time.
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that would b nice but i don't have a reservoir BANG water by hand and check PH by hand ....
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i have to have a res with leaving for work for weeks at a time a lot.then the wife just watches the ph and adds whatever it needs if any now that im doing a drain to waist this run.
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