Dr. Tank #13 Fish Waste Removal & Sand Washing - Cleans Aquarium Substrate & Removes Fish Waste - 120 Tablets
Dr. Tank #13 Fish Waste Removal & Sand Washing tablets are formulated to break down fish waste, uneaten food, and green algae on substrates, decorations, and plants, helping to maintain a clean and balanced aquarium environment. The high-oxygen, fast-acting formula works effectively on sand, gravel, and other substrate materials, dissolving waste and debris for easy removal. Ideal for both small and large freshwater tanks, this product simplifies substrate maintenance while keeping fish, shrimp, snails, and live aquatic plants safe.
Key Benefits:
Breaks down fish waste, debris, and green algae on substrates and decorations
Cleans sand, gravel, and other substrate materials
Safe for fish, shrimp, snails, and live aquatic plants
Easy to use with fast-acting results
Perfect for freshwater aquariums, aquascapes, and planted tanks
Ingredients per Tablet:
Carbonate: 30%
Carboxylic acid: 10%
Dosage Chart (Daily Dose):
3 gallons (11.4 liters): 2-4 tablets
7 gallons (26.5 liters): 4-8 tablets
11 gallons (41.6 liters): 7-14 tablets
18 gallons (68.1 liters): 10-20 tablets
49 gallons (185.5 liters): 30-60 tablets
Directions for Use:
Turn off the filter before use.
Crush tablets and sprinkle them directly on green algae or areas with heavy waste buildup.
Wait approximately 30 minutes, then use a fish net to remove separated debris from the substrate, decorations, or plants.
For severe cases, use daily for up to 3 days, followed by a 30% water change.
Important: If fish show signs of discomfort, perform a 50% water change immediately to dilute