Aquarium Gravel Cleaner & Water Changer Kit With Extension Tube & Dropper. Product Description Elevate Your Aquarium Maintenance Routine with Our Versatile Manual Aquarium Gravel Cleaning Straw. Perfectly Crafted for Efficient Water Changes and Waste Removal, This Tool is Suitable for Mini and Larger Fish Tanks Alike. Its Innovative Adjustable Dropper Provides Precise Control over Water Absorption, Making It an Excellent Choice for Feeding Brine Shrimps, Red Worms, and Daphnias After Thawing. Additionally, It Functions As a Reliable Measuring Tool for Adding Liquid Additives to Your Tank. Crafted from Durable Plastic, This Cleaning Straw is Available in Various Lengths—29cm, 45cm, and 55cm—and Comes in Four Appealing Colors: Blue, White, Green, and Black. Whether You're Conducting Water Changes in a Small Tank or Treating Fish Diseases in a Larger Setup, This Cleaning Straw is Designed to Simplify Your Aquarium Maintenance Tasks. Features: - Length Options: 29cm, 45cm, 55cm - Color Options: Blue, White, Green, Black - Material: Durable Plastic - Functions: - Efficient Removal of Waste and Residual Feed - Adjustable Water Absorption for Precise Feeding - Measurement Tool for Liquid Additives - Applications: - Water Changing and Pumping for Small Fish Tanks - Effective for Fish Disease Treatment in Larger Tanks - Package Includes: 1 X Fish Tank Cleaning Straw Ensure That the Product is Cleaned Before Use and That the Dropper and Pipe Are Securely Connected. Please Be Aware That Slight Variations in Measurement and Color May Occur..