CAUSTIC SODA is white hygroscopic crystalline powder and readily absorbs water from the air, so it should be stored in an airtight container. It is very soluble in water with liberation of heat.

DRAIN CLEANER ACID 98 is a acid cleaner designed for clearing blocked drains.

DRAINKLEEN is a caustic liquid cleaner designed for clearing drains blocked by grease, body fats and scum.

LIQUID CAUSTIC 50% is a 50% weight by weight solution of Sodium Hydroxide and deionised water with each litre of product containing 750 grams of Sodium Hydroxide. This product is the strongest practical liquid version of sodium hydroxide which finds many and varied uses in warm climates. For colder climates weaker solutions of ~40% are typically used.