||Where to buy hydrogen peroxide Our peroxide is perfect for use in Float Pods, Spas and Hot Tubs. You can custom design your shipment. Choose from 3% to 35% H202 in quantities as small as one gallon. All shipments are in 1 gallon containers, boxed in 1, 2 and 4 gallon shippers. Hydrogen Peroxide in high strengths can be dangerous to handle so putting them in 1 gallon containers makes it easy for you and your staff to safely handle the products.