Ph meters

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I am confused. I really don't remember much of science in school and the internet isn't helping. Is the ph meters you buy for aquariums usable for wine? I just purchased a pen ph meter and need to buy buffer solution. Found some on ebay that the shipping isn't outrageous but its for aquariums. Can I use this? It is pre-mixed in 20ml bottles, one @ 4.00 and one @ 7.00 compatible for all probs.
 
Should be fine. PH is PH although Im sure there are much better meters out there.
 
The best meter I have purchased jet was called Horticare and is sold at the marijuana growing stores. Go figure, but it ias truly water proof and has traken a ton of swimms in the fermenter to prove itself
 
Range-wise the meter should be fine. The specs may or may not be accurate enough. If you decide to get another meter, I really like the MW102 ...
 
I have a heck of a time finding anything where I live and to get anything shipped here its like ends up costing 4 or 5 times what the product actually costs. I bought the ph meter pen out of ontario on ebay but didn't realize I needed the buffing solutions. The instructions are so vague so I'll have to google on how to caliberate this thing and then I have to find the solution. I may just need a drink yet tonight....
 
:i Just be sure that your pH meter has an accuracy and readability down to 0.02 pH units or better (i.e. 0.01 pH is better). there is a significant difference to winemaking between pH 3.4 and 3.5 for example, but a cheap pH meter may not see that difference.
 
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