SpeedClean SPDYBRT-CS - SpeedyBright Biodegradable Descaler/Limescale Remover, (2x) .5 gal. Bottles

Scientifically formulated to dissolve all types of limescale, rust and calcium carbonate deposits from water passages and heating elements. speedybright improves operating efficiency in tankless water heaters, gas/electric water heaters and other water heating/heat exchange systems. extend the usable life of cleaned equipment by quickly and safely removing energy robbing contaminants. phosphoric acid based cleaner classified by ul to nfs/ansi standard 60. applications descaling water heaters tankless or demand-type hot water units small heat exchangers ice machines and more features classified by ul to nfs/ansi standard 60 pre-measured for most tankless water heater applications safe for stainless steel applications.