Jons Plant Factory Natural pH Down is a natural pH adjuster used to balance water pH levels without affecting beneficial microbes and microorganisms. Citric Acid is a completely natural substance and still allows your beneficial bacteria and fungi to thrive. Different plant species have different requirements but in general most plants like a pH range of 5.5 – 6.5. pH Down is added sparingly to nutrient solution to help keep the acidity within this range.
