Dr. Tank #13 Fish Waste Removal & Sand Washing - Aquarium Gravel Cleaner - Removes Fish Waste & Improves Water Clarity, Safe for Fish & Aquatic Plants - 120 Tablets

Brand: Dr. Tank Sold By: Sparkup Limited

$39.22 USD

Ships from United States · Arrives in 5–10 business days

Ships from United States · Arrives in 5–10 business days

Item can be returned in its original condition for a full refund or replacement within 30 days of receipt.

Item can be returned in its original condition for a full refund or replacement within 30 days of receipt.

  • $5 Credit If Delayed

  • Full Refund If Item Is Damaged

  • 15-Day Full Refund If No Updates

  • 30-Day Full Refund If Not Delivered

  • Effective Fish Waste Removal: Breaks down and removes fish waste and debris from the substrate in freshwater aquariums.
  • Cleans Aquarium Sand & Gravel: Specifically formulated to wash and clean aquarium sand and gravel, keeping the substrate fresh and free from buildup.
  • Safe for Fish, Shrimp, Snails & Live Plants: Non-toxic formula ensures the safety of your aquatic life while effectively cleaning your aquarium.
  • Easy to Use: Tablets dissolve easily in water, providing a hassle-free cleaning solution for substrate maintenance.
  • Ideal for Freshwater Tanks: Perfect for a wide range of freshwater setups, including planted tanks and aquascapes, ensuring a clean and healthy environment.

  • Manufacturer: Dr. Tank
  • Model Number: Dr. Tank #13
  • Part Number: 6970713243640

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
Shipping & Delivery

Shipping Overview

  • Standard Domestic Shipping within the United States: first item USD 6.99, additional item USD 3.00 each.
  • Order Processing: allow 1–2 business days before shipment.
  • Domestic Shipping: orders ship via USPS or FedEx. Average transit time is 3–7 business days.
  • Every order is trackable. You will receive a tracking number once shipped.
Returns & Refunds

Return Policy

  • You have 30 days from receiving your item to initiate a return.
  • Items must be unused, with original tags and packaging intact.
  • Refunds are processed within 3–5 business days after we receive the return.
  • Contact customer support to start your return.

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