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Prevent damaging scale buildup with Master Clear - Spa Scale Defense. This powerful scale control formula helps stop calcium and mineral deposits before they form on spa surfaces, heaters, jets, and plumbing. Regular use protects equipment, improves water clarity, and keeps your hot tub running efficiently. Easy to apply and safe for all spas and hot tubs, Spa Scale Defense is an essential maintenance solution for extending equipment life and maintaining clean, balanced spa water.
