pappysmears
Well-Known Member
I've been searching ebay and they range from 25 to 200 dollars. I was wondering if the cheap ones are adequate?
Here's some examples Hanna pH TESTER, METER Aquarium/Hydroponics/Lab - eBay (item 170236724346 end time Jul-16-08 18:00:00 PDT)
Digital pH Meter Aquarium Swimming Pool Water Tester US - eBay (item 290246107268 end time Jul-16-08 07:30:00 PDT)
NEW! HANNA HI99104 99104 PH METER TESTER CHECKER - eBay (item 300240507151 end time Jul-19-08 06:22:00 PDT)
Here's some examples Hanna pH TESTER, METER Aquarium/Hydroponics/Lab - eBay (item 170236724346 end time Jul-16-08 18:00:00 PDT)
Digital pH Meter Aquarium Swimming Pool Water Tester US - eBay (item 290246107268 end time Jul-16-08 07:30:00 PDT)
NEW! HANNA HI99104 99104 PH METER TESTER CHECKER - eBay (item 300240507151 end time Jul-19-08 06:22:00 PDT)