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GREEN AIR PRODUCTS pH Max Lower Commercial Strength Quart HVAC & HOME VENTILATION Max Operating Temperature: 90 degrees Max Operating Temperature: 90 degrees F This air conditioner’s portability makes it ideal for growers who don’t want to invest in pricey ductwork or central AC installation **Use:** Add carefully to the nutrient solution as needed while continuously monitoring pH follow the manufacturer's label and safety instructions and use appropriate personal protective equipment when handling
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