Gallon Wham – Septic & Drain Cleaner

Wham Gallon is a heavy-duty, professional-grade cleaner designed to keep septic tanks, cesspools, grease traps, dry wells, drains, and sewer lines clear and flowing. Its non-acid, non-caustic formula will not harm digestive bacteria, making it safe for long-term septic system maintenance. Ideal for residential and commercial use when larger volume treatment is needed.

• Gallon size (1 Gallon)

• Cleans and clears septic tanks, cesspools, grease traps, dry wells, drains, and sewer lines.

• Non-acid / non-caustic – safe for septic systems.

• Will not harm digestive bacteria.

• Professional-grade formula from Hercules.

At Apex Supply Company we offer local pickup or delivery, and nationwide shipping.

Review the manufacturer’s Safety Data Sheet (SDS) before use. Follow all hazard, handling, storage & disposal instructions. Use only as directed and wear appropriate PPE. Information is provided in good faith by the manufacturer; users are responsible for safe handling and proper use.