Quick Calibration Solution for GroLine pH and EC Meters Size:230 mL When completed your tea brew

When completed your tea brew will have a considerable amount of "bio slime" on top of the tea and have an earthy aroma

This keeps the testing depth consistent

Black Gold Seed Starting Mix 8 - Quart This highly refined

Flower Beds & Landscaping: 16 fl oz per 2

Quick Calibration Solution for GroLine pH and EC Meters Size:230 mL When completed your tea brewHI5036 023 is a quick calibration solution for use with Hanna's GroLine pH and or EC TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH and or conductivity sensors. Each bottle has the lot number and expiration date. Hanna's line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle. The HI5036 023 is for