Provide pure oxygen to the rhizoshere of your garden! Supercharge your nutrient solution just prior to watering to provide oxygen for microbial life and your roots. Aerating with pure oxygen in 5 – gallons of nutrient solution for 1 minute will provide approximately 9 – 10 ppm of dissolved oxygen.
The oils from your skin can clog the microscopic pores. Use latex gloves, a tightly knit cloth or a rag when handling the stone.