Contact Us Sertia Developments Inc. was established in the year 2000 with a concentration on product development and facilitation. Located in LaSalle Ontario Canada and has a production facility in Windsor Ontario. Shop Now Facebook-f Youtube Instagram Linkedin-in Twitter LaSalle Ontario Canada 519-978-9477 SertiaSoils@gmail.com Send Us a Message Name Your Details Let us know how to get back to you. Full Name * Email Address * How can we help? Feel free to ask a question or simply leave a comment. Comments / Questions * Cast and Frass™ About Cast and Frass™ VermiCast™ About VermiCast™ Our Company About Sertia Soils Online Store Enter Shop Now