COLONY POOL SERVICE OF DELAWARE is a family-owned and operated pool service and supply company that has been serving the tri-state area since 1970. We are conveniently located in Wilmington, Delaware serving all of Delaware, Chester County, Pennsylvania, Delaware County, Pennsylvania, Salem, New Jersey, Cecil County, Northeast & Elkton Maryland. We are a proud member of the Association of Pool and Spa Professionals (APSP) in addition to being accredited by the Better Business Bureau (BBB). Pool Service: Our knowledgeable and professional staff is highly trained in all areas of in-ground residential and commercial swimming pool service and repairs (major and minor), renovations, equipment upgrades, safety equipment, chemicals, pool maintenance, indoctrinations, inspections, and customer service. Call us today at (302) 762-2250 or (610) 459-9592, or simply request more information by emailing us at colonypool@colonypool.com, or Request More Info. Sodium Hypochlorite Solution Water Treatment Chemicals and Pool Chemicals: We have largely grown to be a supplier of swimming pool chemicals and water treatment chemicals serving all of Delaware, Chester County, Pennsylvania, Delaware County, Pennsylvania, Southern New Jersey, Maryland beaches, and Northeast and Elkton, Maryland. We carry and supply a complete inventory of chemicals including Sodium Hypochlorite (chlorine bleach). Our dependable, scheduled bulk sodium hypochlorite deliveries and water balance chemicals are done by our own DOT-approved bulk tank trucks serving public municipalities, water treatment and sewage treatment facilities, laundry services, and other commercial establishments. Retail Store: Colony Pool Service of Delaware tax-free Retail Store is conveniently located in Wilmington, Delaware directly across Brandywine Town Center (Target). Come visit us today.Family-owned swimming pool business that has been servicing in-ground Residential and Commercial swimming pools since 1970.