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The_Illist_Physicist t1_ja77fxo wrote on February 27, 2023 at 10:27 AM

Reply to comment by slawre89 in Maintain your water heater just once a year; it will last forever. by flyeaglesfly777

Seconding the use of citric acid for descaling, cleaning, disinfecting, and rust removal. It's a very powerful, versatile chemical that really doesn't get the love it deserves.