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12/16mm External CO2 Diffuser & Reactor

Original price was: $40.65.Current price is: $30.49.
Estimated Delivery:
30 Nov - 07 Dec, 2025
1662056

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 removeMulti-Function Flower Print Dog Bag removePremium Breathable Small Dog and Cat Backpack remove5m Retractable Dog Leash with Anti-Slip Handle and One-Handed Brake for Small to Medium Dogs removeUSB Rechargeable LED Dog Light removeBling Rhinestone Dog Collar for Medium and Large Dogs remove
Name12/16mm External CO2 Diffuser & Reactor removeMulti-Function Flower Print Dog Bag removePremium Breathable Small Dog and Cat Backpack remove5m Retractable Dog Leash with Anti-Slip Handle and One-Handed Brake for Small to Medium Dogs removeUSB Rechargeable LED Dog Light removeBling Rhinestone Dog Collar for Medium and Large Dogs remove
Image12/16mm External CO2 Diffuser & ReactorMulti-Function Flower Print Dog BagPremium Breathable Small Dog and Cat Backpack5m Retractable Dog Leash with Anti-Slip Handle and One-Handed Brake for Small to Medium DogsUSB Rechargeable LED Dog LightBling Rhinestone Dog Collar for Medium and Large Dogs
SKU166205616598911659548165942316600311659867
Rating
5.00
9 reviews
4.89
9 reviews
4.89
19 reviews
5.00
9 reviews
4.63
8 reviews
4.90
20 reviews
Price
Original price was: $40.65.Current price is: $30.49.
Save 25%
Original price was: $21.46.Current price is: $13.95.
Save 35%
$156.49
$46.49
Original price was: $48.65.Current price is: $36.49.
Save 25%
$32.65 $34.80
Save 25%
Stock
1987 in stock
2857 in stock
1000 in stock
1000 in stock
1324 in stock
720 in stock
Availability1987 in stock2857 in stock1000 in stock1000 in stock1324 in stock720 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!

Elevate Your Dog Walking Experience

Meet the ultimate companion for your daily dog walks: our Multi-Function Flower Print Dog Bag. Designed with both you and your pet in mind, this versatile bag is perfect for handling every aspect of your outing. Whether you're on a quick stroll or an extended adventure, this bag is your reliable all-in-one solution.

Versatile and Practical Design

Our Flower Print Dog Bag is crafted from durable nylon, ensuring it stands up to the demands of daily use. It features a charming floral print in your choice of pink, blue, or beige, adding a touch of style to your walks. With multiple compartments, this bag serves as a treat pouch, snack holder, waste bag dispenser, and key organizer all in one convenient place.

Product Features

  • Multi-functionality: Functions as a treat bag, snack bag, waste bag dispenser, and key holder.
  • Stylish Design: Eye-catching flower print available in pink, blue, and beige.
  • Durable Material: Made from high-quality nylon for long-lasting use.
  • Convenient Size: Perfect for small, medium, and large dogs.
  • Seasonal Use: Suitable for all seasons, ensuring you’re prepared year-round.

Why You'll Love It

Our Multi-Function Flower Print Dog Bag stands out because it combines practicality with style. Its thoughtful design means you can keep everything you need within easy reach. No more fumbling for waste bags or searching for treats – everything is organized and accessible. The floral pattern adds a touch of charm to your walks, making every outing a little more enjoyable. Whether you’re strolling through the park or just taking a quick trip around the block, this bag simplifies your life and keeps you and your furry friend looking fabulous.

Make Your Walks Effortless

Transform your dog walking routine with the convenience and style of our Multi-Function Flower Print Dog Bag. Say goodbye to clutter and hello to effortless walks. Add this essential accessory to your cart today and experience the perfect blend of function and fashion!
 

Comfort and Security for Every Adventure

  Give your furry friend the ultimate travel experience with our Premium Breathable Small Dog and Cat Backpack. Whether you're off on a hike, a road trip, or just a stroll around the neighborhood, this pet carrier ensures your pet travels in style, comfort, and safety. Designed for small to medium-sized dogs and cats, this versatile backpack offers ample space for your pet to move around and enjoy the journey.  

Features That Set Us Apart

  Crafted from eco-friendly, durable polyester, this pet carrier is built to withstand the wear and tear of daily use, while remaining lightweight and comfortable for both you and your pet. The backpack includes two convenient entrances—one at the top and one at the front—so your pet can easily poke their head out to enjoy the view or interact with you. Four breathable mesh windows ensure that your pet has plenty of fresh air and a clear view of the surroundings, helping them stay relaxed and at ease.  
  • Spacious and Comfortable: Designed for pets up to 18 lbs, this backpack offers a roomy interior with a soft, removable pad that is easy to clean and perfect for all seasons.
  • Safe and Secure: The reinforced structure and lockable zippers keep your pet secure, while the internal leash tether prevents any unexpected escapes.
  • Convenient Storage: With pockets on both sides, you can easily carry all your pet's essentials, from snacks to toys.
  • Comfort for You: Extra-thick padding on the back and shoulder straps ensures that you can carry your pet without strain, making it ideal for longer trips and outdoor activities.
  • Foldable Design: Easily fold and store the backpack when not in use, saving space and making it perfect for on-the-go pet parents.
 

Why Choose Our Pet Carrier?

  Our Premium Breathable Small Dog and Cat Backpack is more than just a pet carrier—it's a thoughtfully designed travel companion that prioritizes your pet's comfort and safety. Unlike other carriers, this backpack allows you to engage with your pet without interrupting your journey, thanks to its unique dual-entrance and visibility features. The reinforced safety elements, combined with a cozy and ventilated environment, make this carrier a must-have for any pet owner who loves to explore with their furry friend.  

Perfect for Any Adventure

  This pet backpack is ideal for a variety of activities, including hiking, camping, sightseeing, and everyday walks. Its versatile design and durable construction make it suitable for all seasons, ensuring your pet stays comfortable and secure no matter where your adventures take you.  

Get Ready for Your Next Journey

  Don't wait—equip yourself with the best in pet travel gear. Make your next adventure a breeze with our Premium Breathable Small Dog and Cat Backpack. Your pet will thank you!

Enhance Your Dog Walking Experience with the Perfect Leash

Walking your dog should be an enjoyable experience for both you and your furry friend. The 5m Retractable Dog Leash with Anti-Slip Handle and One-Handed Brake is designed to provide maximum comfort and control during your daily walks. Whether you have a small or medium-sized dog, this leash offers the perfect balance of flexibility, strength, and ease of use. Crafted from durable plastic, this retractable leash ensures long-lasting performance, no matter how often you use it. The anti-tangle feature allows your dog to roam freely without any frustrating tangles, while the ergonomic, rubberized handle provides a secure and comfortable grip. The one-handed brake system gives you complete control, allowing you to adjust the leash length or stop it entirely with ease.

Features that Make Every Walk Special

  • Anti-Tangle Design: Enjoy smooth and hassle-free walks with a leash that prevents tangles, no matter how active your dog is.
  • Ergonomic Anti-Slip Handle: The rubberized handle ensures a firm grip, reducing hand strain and giving you better control.
  • One-Handed Brake: Easily adjust the leash length or bring your dog to a stop with a simple press of the brake button.
  • Durable Construction: Made from high-quality plastic, this leash is built to withstand the demands of daily use.
  • Versatile for All Seasons: Designed for year-round use, this leash performs reliably in any weather.

Why This Leash is a Must-Have for Every Dog Owner

The 5m Retractable Dog Leash with Anti-Slip Handle and One-Handed Brake is not just another pet accessory—it's an essential tool for dog owners who value safety, comfort, and convenience. Whether you're taking a leisurely stroll in the park or navigating busy streets, this leash gives you the confidence and control you need. The anti-tangle feature means your dog can explore without getting wrapped up, and the strong, durable construction ensures that it will last for years to come. Don’t settle for a subpar leash. Upgrade to this high-quality retractable dog leash and make every walk a joyful experience for you and your pet. Perfect for dogs of all sizes, it’s the ultimate combination of function and style. Take control of your walks today! Ready to improve your daily dog walks? Click "Add to Cart" now and experience the difference this retractable leash can make.

Keep Your Dog Safe and Visible at Night

Enhance your dog’s safety during nighttime walks with our USB Rechargeable LED Dog Light. This high-performance light is designed to make your beloved pet visible in low-light conditions, ensuring they stay safe and easily seen by passing vehicles and pedestrians. Whether you’re out for an evening stroll or playing in the backyard after dark, this light is a must-have accessory for responsible pet owners.

Product Features

  • Three Light Modes: Choose from quick flash, slow flash, or steady glow to suit your environment and needs. Switching between modes is as easy as pressing a button.
  • Long Battery Life: The built-in 250mAh lithium-ion battery offers outstanding performance. Enjoy up to 48 hours of use on a full charge, with 15 hours on high brightness, 48 hours on slow flash, and 25 hours on quick flash mode.
  • USB Rechargeable: Easily recharge your dog’s light with the included USB cable. No need for disposable batteries—simply plug in, charge up, and you’re ready to go.
  • IP65 Waterproofing: Designed to withstand the elements, this light is waterproof, making it perfect for use in rain, snow, or even sandy environments.
  • Shatter-Proof and Durable: Constructed from premium TPU material, this LED light is shatter-proof and built to last, even in rough outdoor conditions.
  • Bright Visibility: The light is visible up to 500 meters (1640 feet) away under optimal charge, ensuring your dog remains visible at a distance.

Benefits of the USB Rechargeable LED Dog Light

  • Enhanced Safety: Keep your dog visible and safe during nighttime activities.
  • Customizable Light Modes: Three different modes for optimal visibility.
  • Eco-Friendly: Rechargeable battery reduces the need for disposable batteries.
  • Durable and Waterproof: Built to withstand rough conditions and bad weather.
  • Long-Lasting Battery: Enjoy up to 48 hours of light on a single charge.

Order Yours Today for Ultimate Nighttime Safety!

Don’t let darkness compromise your dog’s safety. Invest in our USB Rechargeable LED Dog Light today, and ensure your furry friend is always visible and protected during nighttime activities. With its durable design, long-lasting battery, and multiple light modes, this LED light is the perfect addition to your dog’s gear. Order now and experience peace of mind knowing your pet is safe and seen!

Elegance and Durability for Your Beloved Pet

Give your dog the royal treatment with our Bling Rhinestone Dog Collar, crafted from high-quality PU leather and adorned with sparkling rhinestones. This collar is the perfect accessory for medium and large dogs, adding a touch of glamour to their daily walks or special outings. Whether your dog is a Pug, a Golden Retriever, or anything in between, this collar is designed to make them stand out in style.

Shimmering Design with Practical Features

Our Bling Rhinestone Dog Collar is not just about looks; it’s built for comfort and durability. The adjustable strap ensures a snug fit, while the sturdy PU leather construction guarantees long-lasting use. Available in four stunning colors—Purple, Rose, Blue, and Black—this collar complements any fur coat. The glittering rhinestones catch the light beautifully, making your dog the center of attention wherever they go.

Key Features:

  • Bling Rhinestone Embellishments: Adds a touch of luxury and glamour.
  • Adjustable Fit: Easily adjust the collar to suit your dog's neck size for maximum comfort.
  • Durable PU Leather: High-quality material that withstands daily wear and tear.
  • Available in Multiple Colors: Choose from Purple, Rose, Blue, and Black to match your dog's personality.
  • Ideal for Medium to Large Dogs: Perfect for breeds like Pugs, Golden Retrievers, Labradors, and more.

Why Choose This Collar?

This collar isn’t just about looking good—it’s about providing your dog with the best. The combination of elegance and practicality makes it the perfect choice for any dog owner who wants their pet to shine. The adjustable fit ensures your dog’s comfort, while the durable PU leather means this collar will last for many walks and adventures. Whether you're heading to the park or a special event, your dog will always look their best with this Bling Rhinestone Dog Collar.

Get Yours Today!

Upgrade your dog’s style with the Bling Rhinestone Dog Collar today. Click the ‘Add to Cart’ button now and let your furry friend sparkle with every step. This collar is more than just an accessory; it’s a statement of love and care for your pet. Don’t miss out—order now and let your dog dazzle!
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