About this item

• Contains one (1) API STRESS COAT 16-ounce, one (1) API STRESS ZYME 16-ounce, and one (1) API TROPICAL FLAKES 1.1-ounce
• Makes tap water safe and protects fish with dual-action formula
• API STRESS COAT makes tap water safe and protects fish with dual-action formula

• [Super Fine Mist] Optimize the growth of your aquarium plants equipped with tiny nanoholes. This CO2 diffuser converts CO2 bubbles into a superfine mist, providing efficient dispersal and dissolution of CO2 throughout your aquariums.
• [Low Profile Appearance] Featuring a super clean, low-profile appearance, this aquarium CO2 diffuser seamlessly integrates into your aquascape, enhancing its visual appeal without overshadowing its beauty.
• [Made Durable] Crafted from acrylic material, this aquarium air diffuser offers robust durability and is not easily breakable, providing long-term performance in your CO2 aquarium system.
• [Available Sizes] Choose from a range of variations, each with unique features. The Normal Special series shares the size of the Normal Original Diffuser but omits a built-in CO2 bubble counter. Meanwhile, the Tiny series, a special case, also lacks a built-in bubble counter due to its design without a chamber or cup, providing flexibility with various setups. See below for detailed specifications.
• [Multiple Size Options] Available in Small (recommended for tanks up to 13 gallons), Medium (ideal for tanks up to 32 gallons), and Large (perfect for tanks 32 gallons or larger), ensuring a suitable fit for your specific aquarium needs.

• Removes Biofilm & Improves Light Penetration - Effectively removes surface biofilm to enhance light penetration, promoting healthy freshwater plant growth and clearer water.
• Designed for Neo Skimmer - Neo Skimmer Invincible increases air space by 65%, improves the skimmer’s functionality, and includes a Y-shaped guard to protect small fish and shrimp.
• Improves Gas Exchange - Boosts gas exchange at the water's surface, supporting oxygen levels for a healthier aquatic environment.
• Clear Water - Maintains crystal clear water by continuously skimming away debris, ensuring your tank stays visually stunning.
• Healthy Ecosystem - Encourages a balanced and thriving ecosystem, keeping your plants and aquatic life in optimal health.