How often do i need to calibrate the meters?

Dear Elsa Aquino, Thanks for your questions for our pH buffer solution powder. How often do you need to calibrate the pH meter, which depends on how often you use the meter. The following information is for your reference: 1, If you find the testing result is not accurate, then you need to calibrate the meter. 2, If you haven't used the meter for a long time, then you need to calibrate it. 3, You need to calibrate the meter again after about 10 times use for the mter. Best regards Ellen from Esee Group

PH test kit for soil?

Our pH buffer powder is for calibrating the pH meter, so it is only an accessory, can not use it to test soil directly.

It sounds like I can mix the powder with distilled water into a glass jar and. How long does this mixture last, i.e. 30 days, etc?

Yes, you can mix the powder with distrilled water into a glass jar and the mixture can last for around half year, but the glass jar must be sealed.

Can these be mixed and stored in sealable 'plastic' containers?

Dear S. Rich, Thanks for your question. Yes, you can mix and store our ph butter powder in a sealed plastic container, it is OK! Best regards Ellen from Esee Group

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🌊 Dive into Precision with Every Pack!

COMPREHENSIVE P H RANGE - Includes 4.01, 6.86, and 9.18 solutions!
EFFORTLESS CALIBRATION - Just mix and measure for instant accuracy!
VERSATILE APPLICATIONS - Perfect for pools, aquariums, and more!
COST EFFECTIVE SOLUTION - Long-lasting powder saves you money!
TRAVEL FRIENDLY PACKETS - Easily fits in your bag for on-the-go testing!

This 15-pack pH meter buffer solution powder is designed for easy calibration of pH meters. Each pack mixes effortlessly with 250mL of distilled water, providing a cost-effective and portable solution for a variety of applications, including drinking water, pools, aquariums, and hydroponics.