PH Buffer Powder for PH Test Meter Measure Calibration Solution 4.00 6.86pH Set
1x PH 4.00
1x PH 6.86
As this is a powder, in a sealed packet there is no “shelf life”.
The contents will make up to 250ml each.
Just add water or distilled water.
2pcs*PH Buffer Powder(As the pictures) not 2 set
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|