DICI 281 Series: Professional Aquarium CO2 Regulator with Silent Solenoid Valve and Integrated Bubble Counter

Technical Specifications: Product Basic Information

The DICI 281 is the result of over a decade of fluid control innovation. It combines industrial-grade durability with a compact, modern design that fits seamlessly into any cabinet setup.

Why the DICI 281 is the Professional Choice

When evaluating aquarium CO2 equipment, the difference lies in the stability of the output. The DICI 281 addresses the three most common failures of generic regulators: noise, heat, and setting drift.

2.1 Whisper-Silent DC Solenoid Technology

Traditional AC-powered solenoids are known for their annoying "buzzing" or "humming" sounds. The DICI 12V DC Solenoid is engineered for near-total silence. It operates at a significantly lower temperature, preventing heat transfer to the gas line and ensuring the safety of your home electronics. This makes it the perfect choice for aquariums located in bedrooms or quiet offices.

2.2 Surgical Precision Needle Valve

The heart of the 281 is its ultra-fine micro-adjustment needle valve. While standard valves suffer from "pressure creep" (where the bubble count changes hours after setting), the DICI valve offers a linear and stable adjustment curve. You can easily achieve flow rates as low as 1 bubble every 10 seconds, giving you the confidence to dose even the smallest nano tanks without the risk of over-gassing your livestock.

2.3 2-in-1 Integrated Bubble Counter & Check Valve

Space is a premium in many aquarium cabinets. Our integrated design combines the bubble counter directly into the regulator body. It features a built-in stainless steel check valve that prevents aquarium water from siphoning back into the regulator’s internal components. This protects your precision valves from corrosion and ensures a lifetime of reliable performance.

2.4 High-Accuracy Monitoring

The high-pressure gauge provides real-time data on your CO2 cylinder’s remaining volume. This transparency allows you to plan your refills in advance, ensuring that your plants never experience a "blackout" period that could stall their growth and lead to algae outbreaks.

Versatility for Every Tank

The DICI 281 Regulator is the versatile workhorse of the aquascaping community, optimized for various aquatic environments:

Nano Planted Tanks: Its ultra-fine adjustment makes it safe for small volumes where CO2 overdose is a high risk.

Dutch Style Aquascapes: Provides the heavy, consistent CO2 demand needed for fast-growing stem plants like Rotala and Ludwigia.

Iwagumi Layouts: Ensures stable pH levels, which are critical for maintaining healthy carpets of HC Cuba or Monte Carlo against rock-heavy backgrounds.

Marine Calcium Reactors: Its precise, low-volume output makes it a reliable choice for reef keepers who need to accurately dose CO2 into calcium reactors to maintain alkalinity and calcium levels.

Greenhouses & Hydroponics: Durable enough for small-scale indoor farming setups requiring automated CO2 enrichment.

The DICI Difference

Why invest in a professional system? Aquatic plants rely on dissolved CO2 to build cellular structures. When CO2 is limited, plants stop growing, and opportunistic algae (like BBA) take over.

The DICI 281 ensures a consistent 30ppm concentration of CO2. When paired with high-quality LED lighting, your plants will exhibit the famous "Pearling" effect—where they release visible bubbles of pure oxygen—a sign of a perfectly balanced and thriving ecosystem.

About DICI Valve

Choosing DICI Valve means choosing 15+ years of engineering excellence in fluid control. We are a direct manufacturer specializing in professional-grade aquatic equipment for a global market.

Our Quality Philosophy:

Zero-Leak Guarantee: Every single 281 unit undergoes a 48-hour high-pressure static test and a solenoid endurance test before it is packaged.

Industrial Precision: We use CNC precision machining to ensure every thread and every seal meets aerospace-grade tolerances.

Global Standard Support: We offer localized thread standards (CGA320, W21.8, G5/8) and plug types for every continent, ensuring a "plug-and-play" experience for global distributors.

OEM/ODM Expertise: We are the preferred manufacturing partner for many of the world’s leading aquarium brands, providing custom engineering and private label services.

To ensure the longest lifespan for your aquarium CO2 system, follow these expert steps:

Mounting: Hand-tighten the regulator to your cylinder, then use a wrench to give it an extra 1/4 turn for a gas-tight seal. (Do not use Teflon tape on the cylinder connection).

Solenoid Setup: Connect the solenoid to a timer or pH controller. We recommend turning the CO2 ON 1 hour before lights-on and OFF 1 hour before lights-off.

Bubble Counter: Fill the counter 2/3 with water or specialized CO2 indicator oil for easy tracking.

Leak Check: Periodically spray a small amount of soapy water on the connections. If bubbles form, re-tighten the fittings.

Q: Does the solenoid make a clicking or humming sound? A: No. Our 12V DC technology is designed for home environments and is completely silent during operation.

Q: Can I use this with a paintball tank? A: Yes, with a standard CGA320-to-paintball adapter, the DICI 281 works perfectly on portable paintball setups.

Q: Is it compatible with pH Controllers? A: Absolutely. The solenoid is fully compatible with all major pH controllers for automated CO2 management based on real-time pH readings.

Q: What is the warranty period? A: We provide a 12-month manufacturer warranty covering all mechanical and electronic components.

FAQ

1.Are you a factory or trading company?

We are factory.

2.Do you offer OEM service?

Yes,OEM,ODM all available.

3.How is MOQ?

①Our own brand no MOQ request.

②Neutral products MOQ request 100pcs.

③Customized LOGO and packaging MOQ request 500pcs.

4.Delivery time?

①Our own brand around 10 days.

②Neutral products MOQ around 10 days.

③Customized LOGO and packaging around 50 working days.

5. Warranty?

One year.

6. Certificates?

ISO9000,CE,FDA,REACH,ROHS...

7. How is the QC?

We take our all products 100% leaking detection before delivery.

Company Advantage

1.One-Stop,which can save your time and energe,improving efficiency and provide a better experience.

2.OEM/ODM

3.Champion Quality.The quality of our products is trustworthy.

4.Reasonable Price.Fair and reasonable market pricing.

5.Free Sample.Sample provided at no cost.

6.Small Order.We accept small order.

7.24/7 Service.We offer 24/7 internet access.

8.R&D support.Material science R&D support"

9.Bulk Instock.We have bulk instock for fast delivery.

10.Flexible Payment.Pay in your preferred way.

11.Safe Packing.We use safe packing for all shipments.

12.1-Year Warranty.After-sales service is guaranteed.