Hydro Flow Vinyl Tubing Clear 3/8” ID x 1/2” OD 100’ in-store Hanna's line of calibration solutions

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 fertilizer contains 2% nitrogen

is because its an excellent nutrient for making your own fermented fertilizer called Bokashi

Placing the electrode in a small glass filled with storage solution or replacing the solution in the protective cap is a suitable way to store the electrode

Hydro Flow Vinyl Tubing Clear 3/8” ID x 1/2” OD 100’ in-store Hanna's line of calibration solutionsPremium vinyl tubing made of excellent quality materials. Made in the USA. Ideal for air movement from an air pump to air stones, air discs, Aqua Lung, Water Winds, etc.