Answer: The best FREE information is right under your fingertips! Use your search engine of your computer to search hundreds of sites where information abounds! Both commercial sites and homeowners are anxious to share information. Request catalogs from different sites to glean more info. Another source of good information would be books from your public library. Check to see if there are any local or regional pond clubs or organizations that would supply more information. Here's a great non-commercial place to start your search: http://members.home.net/crush11/links.htm
Water gardening is great fun...enjoy!
Q&A Library Searching Tips