Unblocks drains and clears waste pipes. Ingredients: Sodium Hydroxide Solid 98%. READ ALL INSTRUCTIONS BEFORE USE.DO NOT MIX WITH OTHER CHEMICALS. USE IN A WELL VENTILATED AREA. HANDLING AND MIXING INSTRUCTIONS. Open with extreme caution. Wear suitable impervious gloves and eye/face protection.Always dissolve Caustic Soda granules thoroughly before use.Always use COLD water the mixing process generates heat. Use a plastic bucket and stir carefully with a wooden spoon or stick.Always add Caustic Soda to water not water to Caustic Soda.Rinse equipment and treated areas thoroughly after use.Never add neat undissolved Caustic Soda direct into drains etc. DRAIN & PIPE BLOCKAGES Gradually add 250g of AmoKleen Caustic Soda to 3 litres of cold water and stir gently. The solution will heat up. Pour immediately into drain. Leave for 20 minutes, then flush with boiling water. Repeat process if necessary. Regular treatment with half strength mix 250g Caustic Soda to 6 litres of water will prevent further blockages. CLEANING & SANITIZING dustbins, kennels, stables, driveways etc. Add 1-2 tablespoons Caustic Soda per 5 litres of water. Scrub soiled area with solution, then wash down thoroughly with water. Removes oil and soot.PAINT STRIPPING Add 250g AmoKleen Caustic Soda to 1 litre of cold water. Apply carefully with an old paint brush. When the paint begins to blister, scrape off and rinse thoroughly. SAFETY INFORMATION.CAUSES SEVERE BURNS. KEEP LOCKED UP AND OUT OF THE REACH OF CHILDREN. WEAR SUITABLE GLOVES AND EYE/FACE PROTECTION. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. In case of accident or if you feel unwell, seek medical advice immediately (show label where possible. Do not use on galvanised, zinc aluminium or acrylic surfaces. Do not mix with other chemicals in particular avoid mixing with Spirits of Salt or any acid based material. CORROSIVE.