Bluelab pH 4.0 Calibration Solution - Buffer Solution for 2-Point pH Meter Calibration - 250 ml and 500 ml
Bluelab pH 4.0 Calibration Solution is a must in every grower's toolbox. Regular calibration and cleaning boost the longevity and accuracy of your pH meters and probes.
Key Features
- Available in 250 ml and 500 ml bottles (500 ml is 16.9 fl oz)
- Used for the low point of 2-point pH calibration
- Regular calibration boosts pH product longevity
How to Use
Pour a small amount into a clean cup, rinse the probe and follow your meter's calibration steps. Do not return used solution to the bottle. Regular cleaning and calibration lengthen the life of your probes.
Product Details
- Sizes: 250 ml and 500 ml bottles
- Brand: Bluelab
- Sold: each
Model # / SKU: HGC732897, HGC732898
- In stock (10 available)
- Backordered, shipping soon
Shipping:
We ship via UPS and USPS. Most orders ship within 1–2 business days from our Bay Area warehouse.
Returns are accepted within 30 days of delivery for unopened, unused items in original packaging. To initiate a return, email us at dsgardensupplies@gmail.com.