General Hydroponics Product Documents
General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics® technicians check each batch to ensure that our solutions are precisely calibrated and yield reliable readings each time they are used.
- Tech Specs
Brand General Hydroponics SKU HGC722005 Weight (lb.) 0.65 Height (in.) 6 Prop 65 No Lead Time Ships in 7 Days Length (in.) 2 Width (in.) 2 UPC 793094015714 UL Listed No