General Hydroponics - industry leader has been supplying premium products to universities, research institutions and gardeners worldwide for over 30 years. pH DOWN DRY-This powdered acid formula is easy to handle and ship. Lightweight in comparison to liquids. Widely recognized as a consistent and reliable product. Details: Base Size: 1.5 Pounds * Additional options/sizes may be available. Please check 'Available Options' below. Option/Size upgrade prices already include additional shipping charges.
