This simple blend from Batch:64 combines coconut coir and perlite at the best ratio. Golden Ratio performs equally well with various types of hydroponic techniques including hand-watering, drain to waste, recirculating, and slow drip systems. You can start feeding immediately as desired. This soilless medium allows for fast surface penetration and drainage, allowing for heavy feeds more often. For optimal results, test and balance liquid feeds and water to between 5.8 to 6.8 ph Ingredients coconut coir, perlite.