UnBlock-It is suitable for use in pipes over 90-100mm designed for large pipes and toilets (NOT CHEMICAL TOILETS AND FOOD GRINDERS). Never use UnBlock-It after trying to un-block pipes with other products ie. Caustic Soda or Bleach. It is recommended to remove excess water and waste before using. Once this is done pour UnBlock-It undiluted directly into the drain opening or trap that is blocked and allow 20-30 mins work. Never use more than half a bottle in one application or within 30 minutes. NB. Half mark is on side of the bottle. Not to be used on synthetic materials, white pvc, stainless steel, zinc, chrome or brass. If using UnBlock-It in small sinks, shower or bathtub it is recommended to use a funnel and no more than 100ml.

DOES NOT HARM SEPTIC TANK ACTIVITY