Pure power blue cleaning liquid - 946 ml
Valterra
* Pure Power Blue will quickly & effectively break down waste, toilet paper, grease & soap scum in both grey & black tanks.
* Pure Power Blue is a completely safe, natural & biodegradable formulation.
* Pure Power Blue is much preferred over formaldehyde & chemical products by dump stations, RV parks & state/national parks due to it's proven benefit to septic systems & sewage treatment facilities.