The main reason we sell 17.5% comes down to shipping.  35% can only be legally shipped via Hazmat.  There is no getting around it.  Hazmat fees cost about $18.00 per package, and that is in addition to shipping charges.  

17.5% can be used for everything you use 35% for.  Just add less water.  

17.5% is much safer to handle and store.

There are so many uses for Food Grade Hydrogen Peroxide.  Most of the applications require a 3% solution.  

To make 3% from our 17.5%:     Add 1 ounce of 17.5% to 5 ounces of water.

To read about the different uses check out our blog post The Many Uses of Food Grade Hydrogen Peroxide: A Guide to the Alchemy of H2O2

That familiar brown bottle that you can buy in any drugstore is usually a 3% solution, however, it is full of additional chemicals.  Those chemicals are added to keep the H2O2 stable  at 3%.

Food Grade Hydrogen Peroxide is manufactured in 50% and 35%.  50% is not available to the general public.

Because of shipping restrictions on 35%, it is just to expensive to ship  to individuals, not to mention dangerous.