Hy-Gen Ph-4 Buffer Solution (250mL 1 or 5L) not finished Rosin Filter Bag

Rosin Filter Bag

Super PK is a nutrient additive

rigid 'quartz-like' matrix

Stimulates root growth & soil health

Hy-Gen Ph-4 Buffer Solution (250mL 1 or 5L) not finished Rosin Filter BagIntroducing 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