EcoMar 4025 Head-O-Matic Instant Shock Treatment 900ml

Use Ecomar Shock Treatment Head-O-Matic RV and Marine twice a season, spring and fall, to descale and whistle clean walls and ceilings of black waste and grey water holding tanks in boats and RVs.

Easy to use, non staining, freshens entire system
Helps keep sensors and hoses clear
Biodegradable
Campground safe to use
Non formaldehyde
Treats up to 60 gallon (240 L) tank
Quickly solves midseason malodour problems