D drevalenz New member Jun 28, 2019 #1 I have a couple extra Hanna testers available. Calcium (new style) 40 Alkalinity dkh -40 I also a phosphate ppm- 35 Both need new reagents Sent from my iPhone using Tapatalk
I have a couple extra Hanna testers available. Calcium (new style) 40 Alkalinity dkh -40 I also a phosphate ppm- 35 Both need new reagents Sent from my iPhone using Tapatalk
