pH Buffer Solution Powders.

Dispatched same/next working day by first class post.

Perfect for calibrating your pH meter for adjusting the pH of your nutrient solution.
The standard sized pack makes 250ml of solution. Order multiple quantities and save on postage.
Used in the hydroponics, aquarium and swimming pool industries.

Each set contains:
1x pH 4.01 sachet
1x pH 6.86 sachet
1x pH 9.18 sachet

Multiple quantities available.
UK stock from a UK seller.
Not allowed for sale outside the UK.

PLEASE NOTE: Not for human consumption.
Do not ingest.
Avoid contact with eyes, causes serious eye irritation.
Avoid contact with skin, may cause skin irritation.
Do not inhale, may cause respiratory problems.
Store safely away from children.
Do not mix the powders or solutions together.

1 Following eye contact: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue
rinsing. Consult a physician if feeling uncomfortable.
2 Following skin contact: Wash with soap and water. Consult a physician if feeling uncomfortable.
3 Following inhalation: Move victim into fresh air. If breathing is difficult, give oxygen. If not breathing, give artificial respiration and consult a physician immediately.
4 Following ingestion: If it is ingested, rinse the mouth with water. Do not induce vomiting. Never give anything by mouth to an unconscious person. Seek
medical attention immediately.


pH 4 contains Potassium hydrogen phthalate 100% CAS number: 877-24-7
pH 6.86 contains Disodium phosphate, Monopotassium phosphate 100% CAS numbers: 7778-77-0; 7558-79-4
pH 9.18 contains Sodium tetraborate 100% CAS number: 1330-43-4