For the calibration of pH testers. Use in conjunction with pH Buffer 4.
- Tech Specs
Brand Hydroponic Essentials SKU ESCAL87 Weight (lb.) 0.65 Height (in.) 5 Prop 65 No Lead Time Due to social distancing requirements, this item ships in 2 weeks Length (in.) 2 Width (in.) 2 UPC 638104002431