26 Tabs = 85 oz box of powder. (26 Electrasol Tabs provide the same number of complete wash loads (26) as a standard 85 oz box of powder (calculated using the weighted average of the detergent dosages recommended by U.S. dishwasher manufacturers). Dual action cleaning power. Dissolves quickly. A technological advancement in automatic dishwashing detergent from the makers of Electrasol. Each Electrasol Tab has Dual Acting Cleaning Power to gently remove the toughest stains and deliver sparkling clean dishes. The Effervescent Blue Layer is fast dissolving and contains a special cleaning agent which naturally breaks down stubborn food stains like dried-on spaghetti sauce and oatmeal. The White Layer is a super concentrated detergent. It removes even the toughest stains and gently scrubs your dishes, glasses and silverware sparkling clean. Electrasol Tabs are convenient, pre-measured and dissolve completely like a gel detergent. No mess, no measuring, no waste. Safe to use on china and glassware. Wash metal items according to manufacturer's instructions. Electrasol Tabs are safe for septic systems.