dvr Cement and Metal Cleaner Biodegradable

It is a 100 % biodegradable Product used to remove lime and CEMENT.

Concrete can be cleaned with proper blend of detergent, vinegar, ammonia, baking soda, hydrogen peroxide, sodium peroxide and oxygen bleach with some portion of proprietoy blend of penetrating materials. 

Note: This article uses material from the http://rxmarine.com/