Use the ACE salt water spa cleaning system in your Limelight spa to have the best spa water possible. This exclusive salt water system is available for Limelight model spas - and uses less chemicals than other water systems. Need help with the ACE salt water system for your Limelight spa? Call 914-237-5606 to speak with a customer service specialist. We offer FREE SHIPPING to the lower 48 states on orders over $299.