Heavy duty acid based cleaner, removes grime, dirt, leaf stains and is suitable for cleaning brickwork. Not suitable for use on calcareous or polished stone or tarmac. This product can only be sold to persons over the age of 18. Proof of ID including date of birth will be required at the time of purchase. Examples of acceptable proof of ID would be a driving licence or passport. At the point goods are delivered/received by the customer, the person signing for the goods must be over 18 years of age and proof of ID and age verification must be obtained by the delivery driver.