The 6mm Barbed Tee comes in various sizes: 4mm

This blend contains 1

Increases Growth Rates

and overflow outlet

Potassium (K) is also a macro nutritional element

Advanced Nutrients Sensi Coco Grow A & B 1L pH & EC Testers/Calibration The 6mm Barbed Tee comesDescription Advanced Nutrients Sensi Coco Grow A B Attention: All Coco Coir Growers: The Not So Little Secret To Faster Growth, Bigger Yields and Frightening Potency, Now Engineered Specifically For Coco Coir If youve been growing for a significant amount of time, youre most likely familiar with our award winning pH Perfect Sensi Grow & Bloom And now the same proven formulation has been re engineered specifically for coco coir growers! Introducing: pH