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12/16mm External CO2 Diffuser & Reactor

Original price was: $40.65.Current price is: $30.49.
12mm inside pipe use
16mm inside pipe use
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If you order within 1 hour 59 mins
Arrives by Thursday, Sep 4
Estimated Delivery:
31 Aug - 07 Sep, 2025
1662056
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Description

Enhance Your Aquarium’s Growth with Precision CO2 Diffusion

Unlock the full potential of your planted aquarium with our 12/16mm External CO2 Diffuser & Reactor. Designed to deliver optimal carbon dioxide levels, this all-in-one solution ensures your aquatic plants receive the CO2 they need for vibrant growth and health. Whether you’re a beginner or an experienced aquarist, this CO2 diffuser will take your aquarium to the next level, creating a lush, thriving underwater ecosystem.

Key Features

Our CO2 diffuser is packed with features that make it an essential tool for any planted tank:

  • High-Quality Materials: Crafted from durable aluminum alloy and glass, ensuring long-lasting performance.
  • Integrated Bubble Counter: Built-in bubble counter allows for precise CO2 measurement, ensuring your plants receive the exact amount they need.
  • Check Valve Function: Prevents water from backflowing into your CO2 system, adding an extra layer of protection.
  • Space-Saving Design: Compact and lightweight, this diffuser seamlessly integrates into your setup without taking up valuable space.
  • Efficient CO2 Dissolution: Ensures CO2 is effectively dissolved and distributed throughout the aquarium, reaching every corner for maximum plant absorption.
  • Multiple Sizes Available: Compatible with 12/16mm or 16/22mm pipe diameters, making it versatile for various tank setups.

Why Choose Our CO2 Diffuser?

This CO2 diffuser is more than just a simple accessory; it’s a game-changer for your aquarium. By delivering precise amounts of CO2 directly to your plants, it promotes stronger root systems, greener foliage, and faster growth. The integrated bubble counter takes the guesswork out of CO2 dosing, while the check valve function protects your equipment from potential damage. Whether you’re cultivating a delicate carpet of aquatic plants or maintaining a vibrant coral reef, this diffuser will enhance the beauty and health of your tank.

Perfect for Planted Aquariums and Coral Reef Tanks

Our diffuser is ideal for both freshwater planted tanks and saltwater coral reef tanks. In freshwater setups, it ensures your plants receive the CO2 they need for photosynthesis, resulting in lush, green growth. In coral reef tanks, it helps maintain optimal CO2 levels, supporting the overall health of your corals. The compact design allows it to fit seamlessly into your existing setup, making it a versatile choice for any aquarist.

Experience the Difference Today

Don’t let your plants struggle to grow—provide them with the CO2 they need to thrive. Order our 12/16mm External CO2 Diffuser & Reactor today and watch your aquarium transform into a lush, vibrant paradise. Your aquatic plants and corals will thank you!

Rating & Review

Based on 9 Reviews
  1. Letha Orn

    wow just wow!!!

  2. Vivienne Hand

    I’m really impressed with how efficient this device is at distributing CO2 evenly throughout the tank.

  3. Roger Schinner

    Never have I come across such an efficient yet unobtrusive piece of equipment for my beloved aquarium until now! This external CO2 diffuser/reactor has completely transformed not just the aesthetic appeal but also improved overall health conditions within my underwater haven significantly since its introduction few weeks back into our routine maintenance regime . Its silent operation ensures minimal disturbance while delivering high performance diffusion capabilities providing optimal levels of carbon dioxide necessary for all plant life forms thriving within our marine ecosystem making them flourish with vitality unlike ever before!

  4. Nelle Marks

    amazing

  5. Cleo Conroy

    Exceptional product!

  6. Mattie Rowe

    Being an avid aquarist who loves to keep things simple yet effective, finding products that meet these criteria can be challenging at times. However, when I stumbled upon this external reactor and diffuser combo for CO2 distribution in tanks – it was like striking gold! This handy little device does its job incredibly well without creating any unnecessary noise or fuss. What impressed me most is how evenly it distributes the CO2 throughout the tank ensuring every plant gets enough supply for optimum photosynthesis process which ultimately leads to healthier plants displaying brilliant hues of greenery inside your tank.

  7. Rahsaan Stokes

    i absolutely love this thing.

  8. Tanya Hauck

    This diffuser is a real gem!

  9. Kale Hagenes

    I’ve been in the aquarium hobby for quite some time now, and I can confidently say that this external CO2user is one of the best investments I’ve made. The setup was straightforward – no complicated procedures or confusing instructions. It’s also very quiet during operation, which is a significant plus point as it doesn’t disturb my peaceful aquarium environment. Since using this device, there has been a noticeable improvement in my aquatic plants’ health and growth rate. They are more vibrant and lush than ever before! Plus, my seem happier too; their colors are brighter and they’re much more active. Overall, I’m extremely satisfied with this purchase.

Quick Comparison

12/16mm External CO2 Diffuser & Reactor removeDurable Nylon Dog Leash removeSoft Suede Rhinestone Cat Collar removeEco-Friendly Adjustable No-Pull Pet Harness removeReflective Nylon Pet Harness - Comfortable, Breathable, Explosion-Proof Outdoor Dog Harness for All Breeds removeAdjustable Cat and Small Dog Collar remove
Name12/16mm External CO2 Diffuser & Reactor removeDurable Nylon Dog Leash removeSoft Suede Rhinestone Cat Collar removeEco-Friendly Adjustable No-Pull Pet Harness removeReflective Nylon Pet Harness - Comfortable, Breathable, Explosion-Proof Outdoor Dog Harness for All Breeds removeAdjustable Cat and Small Dog Collar remove
Image12/16mm External CO2 Diffuser & ReactorDurable Nylon Dog LeashSoft Suede Rhinestone Cat CollarEco-Friendly Adjustable No-Pull Pet HarnessReflective Nylon Pet Harness - Comfortable, Breathable, Explosion-Proof Outdoor Dog Harness for All BreedsAdjustable Cat and Small Dog Collar
SKU166205616599531659881165987116596711660072
Rating
5.00
9 reviews
4.83
18 reviews
4.83
18 reviews
4.93
15 reviews
4.92
12 reviews
4.71
7 reviews
Price
Original price was: $40.65.Current price is: $30.49.
Save 25%
Original price was: $24.99.Current price is: $22.49.
Save 10%
$15.80 $19.49
Save 15%
$50.49 $62.49
Save 35%
$37.65 $45.49
Save 10%
$28.49
Stock
1987 in stock
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69995 in stock
Availability1987 in stock17 in stock1279 in stock27913 in stock18194 in stock69995 in stock
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Select options This product has multiple variants. The options may be chosen on the product page

Select options This product has multiple variants. The options may be chosen on the product page

Select options This product has multiple variants. The options may be chosen on the product page

Select options This product has multiple variants. The options may be chosen on the product page

Select options This product has multiple variants. The options may be chosen on the product page

Select options This product has multiple variants. The options may be chosen on the product page

Description
Content

Enhance Your Aquarium's Growth with Precision CO2 Diffusion

Unlock the full potential of your planted aquarium with our 12/16mm External CO2 Diffuser & Reactor. Designed to deliver optimal carbon dioxide levels, this all-in-one solution ensures your aquatic plants receive the CO2 they need for vibrant growth and health. Whether you're a beginner or an experienced aquarist, this CO2 diffuser will take your aquarium to the next level, creating a lush, thriving underwater ecosystem.

Key Features

Our CO2 diffuser is packed with features that make it an essential tool for any planted tank:
  • High-Quality Materials: Crafted from durable aluminum alloy and glass, ensuring long-lasting performance.
  • Integrated Bubble Counter: Built-in bubble counter allows for precise CO2 measurement, ensuring your plants receive the exact amount they need.
  • Check Valve Function: Prevents water from backflowing into your CO2 system, adding an extra layer of protection.
  • Space-Saving Design: Compact and lightweight, this diffuser seamlessly integrates into your setup without taking up valuable space.
  • Efficient CO2 Dissolution: Ensures CO2 is effectively dissolved and distributed throughout the aquarium, reaching every corner for maximum plant absorption.
  • Multiple Sizes Available: Compatible with 12/16mm or 16/22mm pipe diameters, making it versatile for various tank setups.

Why Choose Our CO2 Diffuser?

This CO2 diffuser is more than just a simple accessory; it's a game-changer for your aquarium. By delivering precise amounts of CO2 directly to your plants, it promotes stronger root systems, greener foliage, and faster growth. The integrated bubble counter takes the guesswork out of CO2 dosing, while the check valve function protects your equipment from potential damage. Whether you're cultivating a delicate carpet of aquatic plants or maintaining a vibrant coral reef, this diffuser will enhance the beauty and health of your tank.

Perfect for Planted Aquariums and Coral Reef Tanks

Our diffuser is ideal for both freshwater planted tanks and saltwater coral reef tanks. In freshwater setups, it ensures your plants receive the CO2 they need for photosynthesis, resulting in lush, green growth. In coral reef tanks, it helps maintain optimal CO2 levels, supporting the overall health of your corals. The compact design allows it to fit seamlessly into your existing setup, making it a versatile choice for any aquarist.

Experience the Difference Today

Don't let your plants struggle to grow—provide them with the CO2 they need to thrive. Order our 12/16mm External CO2 Diffuser & Reactor today and watch your aquarium transform into a lush, vibrant paradise. Your aquatic plants and corals will thank you!

Keep Your Hands Free and Your Dog Safe with This Durable Nylon Dog Leash

Take control of your daily dog walks with the Durable Nylon Dog Leash, designed to offer both comfort and safety for you and your furry companion. Made from high-quality polyester blends, this leash is perfect for large dogs that need a strong, reliable lead. With a generous length of 90 inches, you can give your dog ample room to explore while still maintaining control. The leash's explosion-proof design ensures your dog stays secure, even in unexpected situations. Whether you're out for a casual stroll or an energetic run, this leash is versatile enough to handle all your walking needs.

Product Features

  • High-quality polyester blend material for durability and strength
  • Hands-free design allows for easy, comfortable walks
  • Explosion-proof construction ensures maximum safety
  • 90-inch length provides ample space for your dog to explore
  • Suitable for all seasons and weather conditions

Why Choose This Leash?

This leash is perfect for large dog owners who need a dependable lead that won’t let them down. The hands-free design makes it easy to manage your dog while multitasking, whether you're jogging, hiking, or simply enjoying a walk in the park. The explosion-proof feature adds an extra layer of security, ensuring that even the most energetic dogs won’t break free. Plus, its solid pattern and durable build mean it’s made to last through every adventure.

Benefits of the Durable Nylon Dog Leash

  • Experience hassle-free walks with the hands-free design
  • Keep your dog secure with the explosion-proof feature
  • Enjoy long-lasting use with the durable polyester material
  • Perfect for large dogs that need extra control
  • Versatile for use in any season, on any terrain

Make Every Walk a Breeze

Don’t settle for ordinary leashes that don’t give you the control or safety you need. The Durable Nylon Dog Leash offers a unique blend of strength, convenience, and security, making it the ideal choice for large dog owners. Whether you’re taking a leisurely stroll or going on an adventurous hike, this leash is designed to handle it all. Secure yours today and transform your dog-walking experience.

Style and Safety Combined for Your Beloved Pet

Give your furry friend the ultimate combination of comfort, style, and safety with our Soft Suede Rhinestone Cat Collar. Designed with your pet’s well-being in mind, this collar is perfect for cats and small dogs that deserve to feel as good as they look. Whether your pet is prancing around the house or exploring the outdoors, this collar offers the perfect blend of luxury and practicality.  

Elegant Design with Bling

Adorned with sparkling rhinestones, this collar adds a touch of glamour to your pet's daily ensemble. The bling not only enhances your pet’s appearance but also ensures they stand out, making this collar both fashionable and functional. Available in a variety of colors including pink, purple, black, red, and blue, you can easily find the perfect match for your pet's personality.  

Premium Suede Leather for Maximum Comfort

Crafted from soft suede leather, this collar is as comfortable as it is stylish. The gentle material is skin-friendly and prevents any irritation, ensuring your pet’s comfort throughout the day. Whether your pet is lounging at home or on the move, this collar provides a cozy fit that won’t bother them.  

Safety First with Breakaway Feature

We understand the importance of your pet's safety, which is why this collar comes with a safety breakaway feature. Designed to release quickly if caught, it ensures your pet won’t get stuck or injured. The quick-release mechanism provides peace of mind, letting your pet roam freely without the risk of harm.  

Perfect for Small Pets

This adjustable collar is ideal for small dogs, cats, and even rabbits. Whether you have a chihuahua, dachshund, or a playful kitten, this collar is designed to fit comfortably. Available in sizes XS and S, it’s perfect for ensuring your pet's collar is neither too tight nor too loose.  

Benefits at a Glance:

  • Stylish rhinestone design for a glamorous look
  • Soft suede leather for all-day comfort
  • Safety breakaway feature to protect your pet
  • Adjustable size, suitable for small pets
  • Available in multiple colors to match your pet's personality
  • Includes a small bell to help you keep track of your pet
 

Make Your Pet Shine

Don’t settle for ordinary when your pet can have extraordinary. With this Soft Suede Rhinestone Cat Collar, you’re not just adding an accessory—you’re enhancing your pet’s life with style, comfort, and safety. Order now and let your pet sparkle with confidence!

Discover the Ultimate in Pet Comfort and Safety

Meet the Eco-Friendly Adjustable No-Pull Pet Harness, designed to combine style, safety, and sustainability for your furry friend. Crafted from 100% recycled materials, this harness is perfect for pet owners who care about their dog's comfort and the environment.

Product Features

  • Eco-Friendly Material: Made from 100% recycled materials, this harness is not only soft and breathable but also kind to the planet.
  • Adjustable Fit: With seven different sizes available, including XXS to XL, you can find the perfect fit for dogs of all sizes. Simply measure your dog's chest circumference to ensure a snug, comfortable fit.
  • No-Pull Design: Equipped with a D-ring on the back for easy leash attachment, this harness helps reduce pulling and keeps your dog securely in place during walks.
  • Reflective Elements: Safety is paramount, and the reflective label ensures your dog is visible during low-light conditions, enhancing their safety on evening strolls.
  • Durable Construction: Reinforced with bar tack sewing, this harness is built to withstand active play and outdoor adventures, ensuring long-lasting use.

Why Choose This Pet Harness?

This pet harness is more than just a practical accessory—it's a commitment to a greener planet and a more comfortable experience for your pet. The use of recycled materials makes it a sustainable choice, while its breathable design ensures your dog stays cool and comfortable. The adjustable fit caters to a range of sizes, making it versatile for different breeds and body types. Whether you're taking your dog on a daily walk, a camping trip, or a casual outing, this harness provides both style and functionality. The no-pull design helps in controlling your dog's movements without causing discomfort, while the reflective elements add an extra layer of safety.

Elevate Your Pet's Comfort Today

Upgrade your pet's walking experience with the Eco-Friendly Adjustable No-Pull Pet Harness. Enjoy peace of mind knowing your dog is comfortable, secure, and stylish, all while contributing to a healthier planet. Order now and give your pet the harness they deserve!

Ensure Safety and Comfort for Your Pet on Every Adventure

When it comes to outdoor adventures with your furry friend, safety and comfort are paramount. The Reflective Nylon Pet Harness is designed to provide both, offering a secure fit and breathable material that keeps your pet comfortable during walks, hikes, and runs. Whether you have a small, medium, or large dog, this harness is adjustable to fit all breeds, making it an essential accessory for every pet owner who loves exploring the outdoors.

Key Features

This harness is crafted from durable nylon, ensuring it withstands even the most energetic of pets. The padded design adds an extra layer of comfort, preventing any chafing or discomfort. The reflective feature is especially useful for those early morning or late evening walks, as it ensures your pet is visible in low light conditions. With a quick-release buckle, putting on and taking off the harness is a breeze, making your outings hassle-free.
  • **Material**: Made from high-quality nylon for durability and longevity.
  • **Comfortable Design**: Padded and breathable to keep your pet comfortable during all activities.
  • **Reflective**: Enhances visibility during low light, ensuring your pet’s safety.
  • **Adjustable Fit**: Available in sizes XS to XL, suitable for all dog breeds.
  • **Quick Release**: Easy to put on and take off, saving you time and effort.
  • **Explosion-Proof**: Secure design to prevent accidental escapes.

Why Choose This Harness?

The Reflective Nylon Pet Harness is more than just a simple harness; it's a thoughtful design that caters to your pet's safety and comfort. Whether you're heading out for a casual walk around the block or an adventurous hike in the mountains, this harness is built to handle it all. The explosion-proof feature ensures that even the most excitable dogs stay securely harnessed, giving you peace of mind on every outing. This harness is perfect for all seasons, so whether it's a sunny day or a chilly evening, your pet will stay comfortable. The reflective material keeps your pet visible, which is crucial during those early morning jogs or late-night strolls. With its adjustable design, you can ensure a perfect fit, no matter the breed or size of your dog.

Take the Next Step for Your Pet’s Safety

Don’t settle for anything less when it comes to your pet's safety and comfort. The Reflective Nylon Pet Harness offers everything you need in a harness: durability, comfort, and security. Equip your furry friend with this must-have harness today and make every outdoor adventure safe and enjoyable.

Comfort and Style for Your Furry Friend

Give your cat or small dog the comfort they deserve with our Adjustable Cat and Small Dog Collar. Crafted with a soft, lightweight material, this collar is designed to provide both comfort and style for your pet. Whether your furry friend is lounging at home or exploring the outdoors, this collar offers a secure yet gentle fit, making it the perfect accessory for daily wear.

Product Features

  • Elastic Strap for Easy Control: The elastic strap design ensures that the collar can stretch for added comfort, allowing for easy control without putting too much pressure on your pet’s neck.
  • Soft and Lightweight Material: Made from high-quality nylon, this collar is soft to the touch and lightweight, ensuring it won’t weigh your pet down.
  • Adjustable Fit: The collar features an adjustable design, making it easy to customize the fit for your pet, whether they are a growing kitten or a small dog.
  • Fashionable Design: Available in various colors, including black, blue, purple, and red, this collar adds a touch of style to your pet’s wardrobe.
  • Durable and Long-lasting: Built to withstand daily wear, this collar is both durable and easy to clean, making it a practical choice for pet owners.
  • Bells for Added Safety: The collar comes with a small bell, helping you keep track of your pet’s movements and adding a playful element to their outfit.

Benefits of the Adjustable Cat and Small Dog Collar

  • Comfortable Fit: Soft, lightweight material ensures comfort for all-day wear.
  • Secure Control: Elastic strap allows for easy control without discomfort.
  • Adjustable Design: Customizable fit to suit your pet’s size.
  • Fashionable and Fun: Available in stylish colors with an added bell for safety.
  • Durable Construction: Made to withstand daily wear and tear.

Order Now for a Happy and Stylish Pet!

Keep your cat or small dog comfortable and stylish with our Adjustable Cat and Small Dog Collar. With its soft material, secure fit, and fashionable design, this collar is a must-have for any pet owner. Order yours today and give your furry friend the best in comfort and style!
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