Baracuda Liquid Pool Acid 5L is a highly effective and fast-acting acid solution used to adjust the p - H levels of swimming pools and spas. Baracuda Liquid Pool Acid 5L is a versatile product that is ideal for both residential and commercial pools and spas. Its powerful formulation makes it effective at lowering p - H levels, which is essential for maintaining clear and healthy pool water. It is also useful for removing stains and scale buildup on pool and spa surfaces, leaving them looking clean and fresh. - Helps to lower p - H levels quickly and efficiently - Can also be used to clean pool and spa surfaces - Compatible with most types of pool and spa surfaces including tiles, concrete, and fibreglass - Easy to use and handle, with clear instructions on the label