Feature:
1. No need to measure, just mix each packs with 250mL distilled water, very easy to use.
2. 8Pcs premium combination, include 4x PH4.01, 4x PH6.86 calibration solution for your multiple needs.
3. Individual sized packets can be tucked in drawer, bag or suitcase for travel.
4. The solution accuracy is ±0.01pH, that can be calibrated with the specified pH values.
5. Great for testing pH balance of drinking water, pool, aquarium, RO system, Spa, or hydroponics.
Specifications:
Each pack volume: 250 ml
Accuracy: ±0.01pH at 25°C
Color: show as pictures
Size: 7.5x6.5cm
Directions for use:
1. Prepared distilled water: 250mL for each pack.
2. Completely empty the power into a clean 250mL glass beaker.
3. Add 250mL of distilled water to the beaker.
4. Stir until the power has completely dissolved.
Please Note: Please do not put it in places where the children they can touch it, so that they can eat it as food.
Package included:
4 pack PH 4.01 Buffer Powder
4 pack PH 6.86 Buffer Powder
