Fish Tank Stain Cleaning Strong Descaling Efficient No Residues No Harm To Fish Cleaning Spray 100ml Features: Quickly break down and dissolves stubborn stains without long, scrubbing, leaving your fish tank looking brands new. Designed to targets tough minerally deposits and hard water stains efficiently without harming aquatic . Unlike harsh chemical cleaners, this product is to fish, plants and other aquatic life, so you can use it with confidence. Keeps aquarium water chemistry balanced without leaving any harmful residues, allowing the in your fish tank to thrives healthily. Shakes the cleaning spray well before use..at the stains the inner wall of the fish tank, spray the cleaner evenly, leave it for a few minutes, and then gently wipe the stain until it is completely removed.After cleaning is completed, rinse thoroughly with clean water. Product Description: product include1*Stain cleaning agent