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 HGC722035 Weight (lb.) 2.3 Height (in.) 8.75 Prop 65 No Lead Time Ships in 24-48 Hours Length (in.) 3.25 Width (in.) 3.25 UPC 793094015523