Good for rv's i have been using this for our rv septic and it seems to be doing the job of getting rid of odors and keeping things flowing i like that it is a natural alternative to the chemical laden types and less expensive too! All debit and credit cards accepted. With state-of-the-art technology, to find cracked pipes is simple! Work with a master plumber with nearly years of experience. Anthony and jake came out and unclogged my drain! did a great job , fast.