Tetra 250ml Crystal Water TreatmentKeep your aquarium water clear and pristine with Tetra 250ml Crystal Water Treatment. This highly effective water treatment is designed to quickly and efficiently clear cloudy aquarium water, ensuring your tank looks sparkling clean. Ideal for use in both freshwater and marine aquariums, it works by binding fine particles in the water, making it easier for the filter to remove them. Key Features: Efficient Water Clarity Quickly clears cloudy water by