PC Products PC-Petrifier Water-Based Wood Hardener, 32 oz, Milky White 324448

Customers find the wood hardener effective, with one mentioning it works well on water-damaged plywood. The product hardens even the softest wood and soaks into surfaces like a sponge, making it easy to apply with a brush. They appreciate its appearance, describing it as shiny, and find it easy to clean up. While some customers consider it good value, others feel it's too expensive for large areas.