Your pH meter is not so accurate anymore?
If you have a pool, aquarium, or spa, pH testing is something you do on a regular basis. However, hassling with messy liquid solution may not give you the accuracy you need. Put the measuring cup away and opt for pre-measured convenience.
Specifications:
5 x 4.01 pH buffer powder
5 x 6.86 pH buffer powder
5 x 9.18 pH buffer powder
Directions for use:
Step 1:Completely empty the powder into a clean 250ml glass beaker.
Step 2: Add 250ml deionized water (or distilled water) to the beaker.
Step 3: Stir until the powder has completely dissolved.
Step 4: Calibrate your pH meter accordingly.
CAUTION: Not a drinkable solution!
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