The old adage "you get what you pay for" definitely applies to grease blocks. Our USABlueBook Bio-Blocks offer high-quality, high-count stable bacteria that degrades organic waste to reduce odors and grease build-up. The blocks gradually dissolve, continuously adding bacteria over a 30 to 90 day period (depending on flow rates). Block contains 4 billion bacteria per gram.
Shipping: Additional shipping fees may apply.