Aquarium Algaecide Algae Control Algae Detergent Purification Water Don't let excessive algae growth ruin your fishpond & tank. Get rid of stringy and unsightly algae! Turn muddy green into crystal clear water with the Algae Purifier. This helps remove stubborn algae 100%! With natural purifying function that controls green water Prevents growth of green, brown, red and blue-green algae Breaks down algae & dissolves unwanted organisms Inhibits unwanted organisms from thriving plants live healthy under water Clearer fish tank means healthier and happier fishes! Long-lasting effect lessens maintenance Lessens frequency of changing the water Makes you save time, energy and water Proven safe on your health, your fishes and the environment Let aquatic life flourish with the Algae Purifier. PRODUCT SPECIFICATIONS Weight: 67g Dosage: Algae removal: 3 grams per 100 liters of water; Preventive use: 1 gram per 100 liters of water. Contains: 1 bottle of algaecide