Hy-Gen Ph-4 Buffer Solution (250mL 1 or 5L) not finished A true ‘sludge free’ two

A true ‘sludge free’ two part nutrient solution

effective protection against a wide range of common pests

Simply put

nitrogen and potassium

Hy-Gen Ph-4 Buffer Solution (250mL 1 or 5L) not finished A true ‘sludge free’ twoIntroducing Hy Gen Ph 4 Buffer Solution HY GEN is a brand that guarantees quality for all its calibration and care solutions, which are formulated using high quality analytical grade ingredients. Our chemist, with over 25 years of experience, supervises all formulations and procedures with great care. The optimal pH range for nutrient solutions typically falls between 5. 8 and 6. 5. Deviations from this range can reduce the availability of nutrients