Below are some water quality sampling equipment companies that list Secchi disks in their catalogs. We do not endorse any company nor imply that this list is exhaustive. If anyone knows of other suppliers, we will be happy to add them to the list. Please contact the suppliers below for specific information on the purchase of Secchi disks.
Carolina Biological Supply Company
Burlington, North Carolina
800-334-5551
www.carolina.com
Forestry Suppliers, Inc.
Jackson, Mississippi
800-647-5368 (US) / 800-647-6450 (Canada)
www.forestry-suppliers.com
Hach Company
Loveland, Colorado
800-227-4224
www.hach.com
LaMotte Company
Chestertown, Maryland
800-344-3100 (US) / 410-778-3100
www.lamotte.com
Rickly Hydrological Company
Columbus, Ohio
800-561-9677 (US) / 614-297-9877
www.rickly.com
Science First
Yulee, Florida
800-875-3214
shop.sciencefirst.com
Ward’s Science
Rochester, New York
800-962-2660
www.wardsci.com
Water Monitoring Equipment & Supply
Seal Harbor, Maine
207-276-5746
www.watermonitoringequip.com
WhatPond
Erie, Pennsylvania
814-440-1790
www.whatpond.com/compact-secchi-disc/
Wildco
Yulee, Florida
800-799-8301
www.wildco.com