Superb buffer solution at a great priceHighest quality solution to ensure proper calibrationA must have for pH metersEnsures accuracy with your equipmentAnother great item from Flora Hydroponics
Flora Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used.
Brand: Flora Hydroponics, Model: 4.01