ph and tds meter how use first time???

hello all Can someone tell me how to use this? please emphasize the description of not have any liquids into calibrate seems to me to like new buys in but is making a calibrated measurement of pure water is shown is pH-8,3 and tds-ppm-0,79


http://cgi.ebay.pl/SET-TDS-Meter-PH-Tester-Hydroponics-Conductivity-PPM_W0QQitemZ320448256347QQcmdZViewItemQQptZUK_Swimming_Pools_Hot_Tubs?hash=item4a9c34595b

dbo24242 said:

put in water press button

you dumb or something?

soudns like tap water.

Click to expand...

you illiterate or something?lol. No need really....

troll on


edit: whichever mod deleted my posts is a faggot!

pure water is shown is pH-8,3 and EC-ppm-49
is good or not????

What do you mean pure water? Distilled water will have a pH of 7.0 and ppm zero or very near zero. The water you have is ok to use, you don't have to use distilled water.