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Cynflo Liquid



Read the product SDS carefully before handling this product. 
Use only in well-ventilated areas. 

Dilution: No dilution is required. 

Small drains:
Remove floor waste, apply 250 ml, allow to stand for 5 minutes and then flush with cold water. 

Large drains:

Remove floor waste, apply 2 litres, allow to stand for 15 minutes and then flush with cold water for 15 minutes. 


Clear water from the toilet bowl with a plunger, then apply 1 to 1.5 litres and flush with water. 


Pour 1 litre down the drain, allow to stand for 5 minutes then flush with water. 

Grease traps:

Apply 2 litres as needed. 


  • We recommend that a licensed tradesperson applies the product. 
  • Avoid contact with stainless steel, aluminium, polished chrome and painted surfaces.
  • See the Related Products tab.

Cyndan CynFlo Liquid is a heavy-duty liquid drain opener formulated to unblock drains rapidly. It cuts through grease, organic matter, hair, sanitary products and even dead tree roots. For use in drains, pipes, toilets, kitchens, bathrooms and wastewater environments.

For larger quantities, please contact our office.

More details

Cyndan CynFlo Liquid is a heavy-duty instant liquid drain opener formulated to unblock drains. It cuts through grease, organic matter, hair, sanitary products, and even dead tree roots.

CynFlo Liquid is fast-acting and very effective, ideal for severe blockages.

CynFlo Liquid also removes laundry detergent, limescale & rust buildup. Once drains are unblocked, follow with Cyndazymes or Liquidzymes, Cyndan’s enzyme base ‘wastewater‘ maintenance products.


  • Unblocks drains
  • Removes limescale & rust
  • Fast-acting
  • Safe for septic tanks

Ideal for:

  • Drains
  • Pipes
  • Toilets
  • Kitchens
  • Bathrooms
  • Wastewater environments
  • Safety Data Sheet: Refer to the SDS before handling this product.
  • Storage: Store in the closed, original container in a cool, dry and well-ventilated place out of reach of children. | Do not store in direct sunlight.
  • Disposal: Containers must be thoroughly rinsed and dried before disposal. | Dispose of in accordance with your local government regulations - if in doubt return empty container to the manufacture. | Empty containers and product should not be burnt.
  • Safe Use - RED Code - Dangerous Goods: Only those personnel trained in the handling and storage of chemicals should use these products as they require the use of protective/safety gear when used and must be stored according to the manufacturer’s directions for safe storage.
  • Personal Protection Equipment (PPE): See 'Related Products' on this page.
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