Product Description
Bluelab 7.0 pH Calibration Solution – 20 ml Single-Use Sachets
Keep your pH measurements accurate and your Bluelab instruments performing at their peak. These lab-referenced, single-use 7.0 pH calibration sachets are engineered specifically for Bluelab pH meters, pens, and controllers — delivering the precision your grow room, lab, or water treatment system demands.
Why Calibrate with Bluelab Solutions?
Lab-Referenced Accuracy: Manufactured to high laboratory standards, ensuring your Bluelab instruments maintain long-term precision.
Single-Use Sachets: Eliminate contamination risk — each 20 ml sachet is used once and discarded, preserving solution integrity every time.
Universal Bluelab Compatibility: Designed for all Bluelab pH-measuring products including the Bluelab pH Pen, Guardian Monitor, and Combo Meter.
Conductivity Probe Cleanliness Check: Also used to verify the cleanliness of Bluelab Conductivity/Temperature probes.
Extends Probe Life: Regular calibration with genuine Bluelab solutions helps your probes last longer and read more accurately.
Ideal For
Hydroponics & indoor growing
Aquaculture & aquaponics
Laboratory water testing
Pool & spa water management
Industrial water treatment
Product Details
pH Value: 7.0 (neutral reference point)
Volume: 20 ml per sachet
Barcode (UPC): 09421024920333
SKU: BLU720
Country of Origin: United States
Pro tip: Calibrate your pH meter before every use for the most reliable readings. Pair with Bluelab 4.0 pH Calibration Solution for a two-point calibration — the gold standard for accuracy.