Bill Wann builds equipment like a tank, He offers grarantee not warranty, If you brake it he will fix it or replace it, I have not seen any company that offers anything like this, Even if I buy top notch product ie. Red Dragon, reef octopus etc, I am planning on getting skimmer for my build from him, in another words, it is 1 time investment and that is about it, I have sent him email recently (nothing in regards to buying) but general question and he replied to my question very next day, that says alot about person/ reefer/ business owner