firebrand18rjr
Well-Known Member
heres a link to a guy i bought mine from. comes with buffer solutions ph up n down . easy to use n clean ph meter with screwdriver for easy calibration. definitely a must. screw those test strips.
pH Meter Digital Hydroponics LED Aeroponics - eBay (item 320221599509 end time Mar-05-08 12:08:18 PST)
pH Meter Digital Hydroponics LED Aeroponics - eBay (item 320221599509 end time Mar-05-08 12:08:18 PST)