Bluelab pH 7.0 Calibration Solution 500ml Tools Helps gardeners have better success

Helps gardeners have better success rates with seedlings and cuttings

LIGHT - Partial shade

Always use equal parts of Athena Bloom A & B to maintain proper mineral ratios

Super Sprouter Heat Mat

Bluelab pH 7.0 Calibration Solution 500ml Tools Helps gardeners have better successBluelab pH 7. 0 Calibration Solution pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7. 0 first (buffer) then to pH 4. 0 (slope). Calibration Solution should be stored in a cool place out of direct sun and heat. They should be stored with the lids securely tightened.