

Bluelab pH4.0 pH7.0 Calibration Solution – 2 x500ml Hydroponic Soil Tester Bundle
$210.00 Original price was: $210.00.$73.75Current price is: $73.75.
1 in stock
Bluelab pH Calibration Solution is required for optimal performance of all Bluelab pH products; for precise readings, it is recommended to clean and calibrate you tester monthly.
The acidity or alkalinity of a solution is represented by its Potential Hydrogen (pH) level. Values below 7.0pH indicate acidity, while values above 7.0pH mean alkalinity. Variations in pH can have an effect on the nutrient balance of the soil or solution.
Conveniently packaged in 500ml bottles to be easily poured into smaller containers for use and to avoid cross contamination.
Specifications:
- 2 x 500ml Bottles
- Ingredients:
- pH 4.0 – Potassium hydrogen phthalate, water
- pH 7.0 – Potassium di-hydrogen phosphate, di-sodium phosphate, water
- For use with Bluelab pH pen
Features:
- Tamper evident lid
- Directions for use printed on label
Package Includes:
- 500ml Bluelab pH4.0 Calibration Solution
- 500ml Bluelab pH7.0 Calibration Solution
Please note:
Please follow directions for use. Use within 3 months of opening.
Weight | 1.1 kg |
---|---|
Color |
N/A |
Brand |
Bluelab |
Label 1 |
Free Shipping |
Label 2 |


Delivery Time Frame
Please note that we cannot guarantee the exact date of arrival, and the delivery time frames (excluding weekends and public holidays) are as follows:
- For customers in Victoria, approximately 7-10 working days;
- For customers in NSW, SA, ACT, and QLD, approximately 9-12 working days;
- For customers in WA, NT, and TAS, approximately 9-12 working days.
Returns, Refunds, and Replacements
Products that are received faulty, damaged, or not as described are eligible for a return, refund, or replacement in accordance with the Australian Consumer Law (ACL). We are committed to ensuring all products meet the standards of quality and reliability expected by our customers.
Please note, however, that we do not accept returns or provide refunds for change of mind. We encourage you to carefully consider your purchase to ensure it meets your needs and expectations.
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