Size:1 quart Olympus Up is the Nectar for the Gods pH up product. Mostgardeners know to adjust the pH of their nutrient solution before use. Byusing liquid calcium as a pH adjusting component, you will add more calcium toyour plants’ cell structure, promoting cell wall integrity. Residual OlympusUp in the soil will increase aeration, promote microbial activity by offeringa food source for the soil biota and contribute to nutrient delivery. OlympusUp is essential when using Herculean Harvest. We recommend using Olympus Upwith Herculean Harvest to form an amazing calcium food source for soilmicrobes. They may also be used together for a more efficient flush, either atthe end of your growing cycle, or in new potting medium to stabilize pH andprepare for planting.