SpeedyBright Biodegradable Descaler/Limescale Remover (2/PK)

When I purchased this descaler back in 2020, I also thought it was for two one-gallon jugs, not half-gallon jugs, but that confusion has since been cleared up. It is now clearly marked as two half-gallon containers. The important thing is that it does the job it is supposed to do. I use it to flush my tankless water heater and there's always a noticeable difference in the water flow/pressure after it's done. I would definitely recommend the product.

Wish i had read the other review. They are definitely representing one gallon jugs the picture shows one gallon jugs. They dont say anywhere that they're not one gallon jugs.