pH Calibration Solution 10

$1.99

13 in stock

SKU: CAL10 Category:

Description

PH CALIBRATION SOLUTIONS

pH Calibration 4, 7 and 10 Standards.

  • Select the 7 & 10 standards to calibrate a pH probe for a Saltwater Aquarium
  • Select the 4 & 7 standards to calibrate a pH probe for Freshwater Aquarium or a Calcium Reactor
  • If you have a complete Apex System, then take a look at our complete Probe Calibration Kit