Nynelly 15 Pcs pH Meter Buffer Solution Powder, Easy Calibration Powder Solution 4.00, 6.86, 9.18

Nynelly 15pcs pH Meter Buffer Solution Powder for Precise and Easy for Precise pH Calibration Powder Solution 4.00,6.86,9.18

Nynelly 15 Pcs pH Meter Buffer Solution Powder, Easy Calibration Powder Solution 4.00, 6.86, 9.18

Key Features

• ✅ ?Total 15 packs?The set includes 5*6.86, 5*4.00 and 5*9.18 calibration solution powder for all pH needs.
• ✅ ?Easy to use?No need to measure, just mix each pack with 250mL distilled water.
• ✅ ?Wide range of applications?Ideal for testing pH balance of drinking water, pool, aquarium, RO system, Spa, or hydroponics.
• ✅ ?Works with any pH meter?This buffer powder will work with any electronic pH Meter.
• ✅ ?Stays Fresh?Individually wrapped to maintain freshness until use.

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• ✅ 100% money-back guarantee for lost or damaged items
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• ✅ Shipping via UPS, FedEx, and USPS
• ✅ Ships to lower 48 states only (no PO Boxes / APO / FPO)

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• ✅ 30-day hassle-free returns
• ✅ Items must be unused and in original packaging
• ✅ Full refund if item is not delivered
• ✅ Guaranteed delivery within 6–7 business days

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