Aqua Master pH 4.00 Calibration Solution for Water Testing - Accurate pH Buffer Solution for Hydroponics, Aquariums & Laboratory Use
$4.37
$7.95
Safe 45%
Aqua Master pH 4.00 Calibration Solution for Water Testing - Accurate pH Buffer Solution for Hydroponics, Aquariums & Laboratory Use
$4.37
$7.95
45% Off
Delivery & Return: Free shipping on all orders over $50
Estimated Delivery: 10-15 days international
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SKU: 91392041
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Description
pH 4.00 calibration solution.
- Traceable to NIST standard.
- Close immediately after use.
- Store between 15-25 °C.
- Do not reuse liquid.
See the for video instructions on calibrating your Aqua Master tester.
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Shipping & Returns
For all orders exceeding a value of 100USD shipping is offered for free.
Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.
Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.
