Citric Acid (Non-GMO) Size:20 KG (PAIL) Apply up to four times

Apply up to four times per year

Spical: most effective from about 55°F to 90°F (13°C to 32°C)

Because this wasp is less mobile than some other aphid parasitoids

It can be introduced preventively or at the first sign of an outbreak in greenhouse vegetables

early pest pressure

Citric Acid (Non-GMO) Size:20 KG (PAIL) Apply up to four timesCitric Acid (Non GMO) Natural pH Down Lower the pH of your nutrient solution the clean, organic way. Our food grade, non GMO citric acid is a gentle and effective alternative to harsh synthetic pH down products perfect for growers who care about what goes into their water. Why use citric acid as pH down? Most tap and well water comes out of the tap too alkaline for plants to properly absorb nutrients. When pH sits above the ideal range (typically 5.