0 ratings
ISTA I-539 External Reactor
Patented impeller design completely crushes CO2 bubbles for better efficiency
ISTA I-539 External Reactor
Item #: 14688788

ISTA I-539 External Reactor

Item #: 14688788
0 ratings Write a review
Out of stock
us Imported from USA store
Our Top Logistics Partners
  • fedex
  • dhl
Patented impeller design completely crushes CO2 bubbles for better efficiency
U-Care Warranty:
None
Select a Plan
buy now pay later

Buy Now Pay Later

fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
afterpay payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Efficiency
The I-539 External Reactor offers exceptional thermal efficiency, ensuring maximum energy output while minimizing energy consumption. This feature significantly reduces operational costs for users in industrial and large-scale applications.
Compact Design
With its space-saving design, the I-539 External Reactor fits seamlessly into limited workspaces. This portability makes installation easier without compromising on performance, appealing to users needing efficient solutions in constrained environments.
Advanced Safety
Equipped with the latest safety protocols and sensors, the I-539 External Reactor prioritizes user safety, preventing overheating and ensuring reliable operation. This feature builds trust among users concerned about workplace hazards and reliability.

Product Details

Shop the ISTA I-539 External Reactor at the best price online. Explore our wide selection of aquarium equipment and accessories at Ubuy New Zealand.
  • Suitable for 158 to 264gph flow rate (600-1000 L/H)
  • Features patented impeller design to completely crush CO2 bubbles
  • Compact size for space-saving, suitable for external or internal setup
  • Made of durable material to prevent deformation and resist acid
  • Easy to clean and maintain
  • ISTA Inline CO2 External Reactor
Country of OriginThis item will be imported from US
Item Weight3 lbs (1.36 kg)
What is in the boxISTA I-539 External Reactor... For more details, please check description/product details

Who Should Buy?

Suitable For
  • Home Aquarists

    Ideal for hobbyists seeking to enhance water quality in aquariums through effective external filtration solutions.

  • Aquarium Professionals

    Beneficial for professionals managing large tanks needing robust filtration systems to maintain optimal aquatic environments.

  • Eco-conscious Users

    Great for users looking to reduce energy consumption and chemical use with efficient and sustainable filtration technology.

Not Suitable For
  • Small Fish Tanks

    Not suitable for small aquariums since the reactor's capacity may be excessive and lead to over-filtration.

  • Budget-conscious Buyers

    May not be ideal for users with limited budgets, given potential higher costs associated with installation and maintenance.

  • Non-Aquatic Users

    Not advisable for those without aquatic systems, as the reactor is specifically designed for functional aquarium filtration.

Product Description

ISTA I-539 External Reactor

Have any Query? Chat with us

Product Buying Guide

If you're looking for an efficient CO2 external reactor to enhance the growth of aquatic plants in your aquarium, the ISTA I-539 External Reactor could be the ideal solution for you. This innovative product is designed to provide optimal CO2 diffusion and promote a healthy aquatic environment, making it a must-have for aquarium enthusiasts.

Product Specifications

  • 158 to 264gph (600-1000 L/H)
  • Patented impeller design for completely crushing CO2 bubbles
  • Suitable for setting up externally or internally
  • Made of durable material to prevent deformation and resist acids
  • Easy to clean and simple to maintain

Key Features

  • Provides efficient CO2 diffusion for aquatic plants
  • Compact size saves space and is suitable for external or internal setup
  • Constructed with durable materials to prevent deformation and resist acids
  • Simple to clean and maintain, ensuring hassle-free operation

Usage Scenarios

  • Ideal for promoting healthy growth of aquatic plants
  • Suitable for both external and internal installation in aquariums

Usage Scenarios

  • Sera Flore Active CO2 Reactor
  • Hydor Professional External CO2 Reactor

Some User Review

  • The ISTA I-539 External Reactor has made a significant difference in the health and growth of my aquatic plants. The CO2 diffusion is impressive and the maintenance is hassle-free.
  • Compared to other CO2 reactors I've used, the ISTA I-539 External Reactor stands out with its durability and efficient impeller design. It's definitely worth the investment.

Competitors

  • When compared to similar products in the market, the ISTA I-539 External Reactor offers competitive pricing for its features and benefits.

Buying Considerations

  • Consider the flow rate requirements of your aquarium to ensure the ISTA I-539 External Reactor is suitable for your setup.
  • Evaluate whether you prefer external or internal installation, as the ISTA I-539 External Reactor offers both options.
  • Compare the durability, impeller design, and maintenance features with other CO2 reactors to make an informed decision.

Conclusion

In conclusion, the ISTA I-539 External Reactor is a top choice for aquarium enthusiasts seeking efficient CO2 diffusion, durability, and easy maintenance. Its competitive pricing and versatile installation options make it a valuable addition to any aquarium setup.

View Less

If you're looking for an efficient CO2 external reactor to enhance the growth of aquatic plants in your aquarium, the ISTA I-539 External Reactor could be the ideal solution for you. This innovative product is designed to provide optimal CO2 diffusion and promote a healthy aquatic environment, making it a must-have for aquarium enthusiasts. Continue Reading

Customer Questions & Answers

  • Question: What is the flow rate of this CO2 reactor?

    Answer: The flow rate is between 158 to 264 gallons per hour (600-1000 liters per hour).
  • Question: What is the size of this reactor?

    Answer: It has a compact size, suitable for saving space.
  • Question: Is this reactor easy to maintain?

    Answer: Yes, it is easy to clean and simple to maintain.
  • Question: My filter is an eheim Pro4 350 and gph is 277. Will this work for my canister filter without restricting flow?

    Answer: Always you have to interrupt your canister hose, you will lost a little bit water flow rate, but is not so much. What you have to think really is your canister hose size because ista co2 reactor is 12mm.
  • Question: What size are the hose connections?

    Answer: 12mm , almost the big canister uses 16mm then you need to buy 2 ista 12 to 16 mm adapter.
  • Question: What size hoses?

    Answer: 12mm
  • Question: I have this reactor but even at 2-3 bubbles per second and a sicce 1.5 pump it fills halfway with co2. What am I doing wrong?

    Answer: you need to know the right water flow the reactor need
  • Question: Does it ship with the 12mm hose or do you have to buy one?

    Answer: It doesn’t come with any tubing.

ista Filter Accessories Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

NA
Naylz
Verified buyer

“Purchased a YAMATIC 3/4" Shaft Horizontal Pressure Washer Pump 3400 PSI 2.5 GPM as a replacement for my GC190 water blaster. Fits perfectly and works well. Easy transaction and reasonable delivery to New Zealand.”

6 June 2026 · via Trustpilot
EG
Eduardo
Verified buyer

“great service, quick delivery and comunication”

2 June 2026 · via Trustpilot
DR
Dave
Verified buyer

“First time using Ubuy. Simple to use, well packed and faster than expected delivery. Was about the only way to get this item I've been after for almost a year … thank you Ubuy!”

15 May 2026 · via Trustpilot
DD
David
Verified buyer

“First time using Ubuy and very impressed. Items arrived from the USA super fast and are such a top-quality product. I will definitely be back to purchase again. Cannot recommend you highly enough for a hassle-free & efficient service. Thank you so much. I am one very happy customer.”

14 May 2026 · via Trustpilot
J
John
Verified buyer

“Very happy with the light. I wanted something a little different for a bedside lamp and find this is great. Easy to operate with a single button to turn it off and on and control the brightness and colour temperature. The item was sent quickly and a hassle free purchase.”

23 April 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.