Does this regulator fit a standard CO2 tank

Yes it does fit a standard Co2 tank.

Do i have to buy two if im using a splitter for two tanks or does one control both?

The solenoid with bubble counter only can be used for one tank.

If the solenoid is not making a clicking sound does that mean it’s not working? C02 will not come through.

Possibly. If you've eliminated the cord and the outlet then it's going to be a problem with the solenoid.

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FZONE Aquarium Co2 Regulator DC Solenoid with Bubble Counter and Check Valve Plant Grow DIY CO2 System CGA320 Side Open Cylinder

Product ID: 122374819

Details

Brand
FZONE
Item Weight
0.9 Grams
Manufacturer
FZONE
Number of Packs
1
Unit Count
1.00 Count

💧Bubble counter with check valve prevents water backflow

🔧Precision fine-tuning knob for 1 bubble/3 seconds accuracy

⚙️12V DC split-type solenoid for safer, stable CO2 control

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€ 110.59

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌿 Elevate your aquarium game with precision CO2 control—because your plants deserve the best!

LEAK PROOF CONFIDENCE - Enhanced sealing materials and check valve technology eliminate leaks and water backflow, protecting your investment.
DURABLE ALUMINUM BUILD - Crafted from hard aluminum alloy with a sleek sprayed finish, combining industrial strength with modern aesthetics.
PRECISION BUBBLE CONTROL - Fine-tune your CO2 flow to a perfect 1 bubble every 3 seconds for optimal plant growth and aquarium health.
NEXT GEN DC SOLENOID POWER - Upgraded 12V DC split-type solenoid ensures safer, more reliable CO2 regulation than outdated AC models.
ALL INCLUSIVE INSTALLATION KIT - Comes with bubble counter, check valve, and all necessary tools—get your DIY CO2 system up and running hassle-free.

The FZONE Aquarium CO2 Regulator features a cutting-edge 12V DC split-type solenoid for safer and more stable CO2 delivery, paired with a high-precision fine-tuning knob that achieves a consistent bubble rate of one every three seconds. Its integrated bubble counter includes a check valve to prevent water backflow, while the durable aluminum alloy construction ensures long-lasting performance. Designed for DIY plant growers, it comes complete with all necessary installation tools and is backed by a one-year warranty and responsive customer support.

Specifications

ASIN	B07QFT69P8
Best Sellers Rank	#33,745 in Pet Supplies ( See Top 100 in Pet Supplies ) #95 in Aquarium Air Pump Accessories
Brand Name	FZONE
Customer Reviews	4.2 4.2 out of 5 stars (1,659)
Item Weight	0.9 Grams
Manufacturer	FZONE
Manufacturer Part Number	FZ-0100
Model Number	748323719468
Target Species	Fish
UPC	748323719468
Unit Count	1.00 Count
Warranty Description	1 year manufacturer

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