This product is an on board nitrogen generator. Most companies purchase nitrogen in cylinders at about 2000 p.s.i. We at Pit Crew Tire Service have chosen to invest in a system that will create nitrogen on demand and store it in an on-board 80 gal storage tank at low pressure. (170 p.s.i. for safety concerns) The USA trails European tire technology by about 10 years.
The pH scale indicates acidity or alkalinity. A soil with a pH number below 7 is acid, while one with a pH above 7 is alkaline. Garden plants typically grow best in neutral or slightly acid soil (pH 7 or slightly below; see illustration at left).
I know they like acid soil. Answer: Soil is typically acidic, neutral or alkaline. To have acidic soil you need a pH lower than 7. (The scale is measured from 0 to 14 with a pH of 7 being neutral. Unfortunately spreading pine needles around the base of your blueberry bushes will not increase the acidity of your soil. It is very important to have the right acidity in order to ensure your plants thrive. Here are a few methods that will help make your soil more acidic: