What is the reason for needing a solenoid? How will the system run without one?

The solenoid will control the co2 output. When turn off the solenoid, there will not be co2 out from the generator. If without the solenoid, the co2 will keep output.

How long do I have to wait before using the set up in my tank?

You can use it as soon as the needle is in the green.

How can i replace the needle valve. Mine is broken alternating between full throttle or 0?

This isn’t a replacement part for the co2 generator it’s valve for a co2 tank. I recommend contacting the manufacturer.

For a 4l co2 generator, should i put in 600-800 gram each of material a&b? also do i pour in 300ml water or more? i've read different opinions online.

I use 600 ml for the material each and 800 ml of water I freeze the water in try"s that make long round ice cubes the cube are made to put in water bottles

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FZONE 5.5L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve for 600-800g Raw Material

Product ID: 524278183

Details

Brand
FZONE
Item Form
Liquid
Liquid Volume
5.5 Liters
Manufacturer
FZONE
Unit Count
1.00 Count

⏲️12V DC solenoid timer-ready for smart CO2 control

⚙️Precision needle valve with bubble counter, steady 1 bps

🛡️1.5mm SUS304 steel, 25% thicker for max safety

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R5498

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Description

🌿 Elevate your planted tank game with precision CO2 control — don’t let your aquatic jungle fall behind!

BACKFLOW PROTECTION - Built-in check valve prevents water from flowing back into your CO2 tank, protecting your investment from rust and corrosion.
COMPLETE DIY SYSTEM - Includes everything you need except raw materials—regulator, needle valve, and bubble counter—making it the perfect starter kit for serious aquascaping enthusiasts.
PRECISION CO 2 DELIVERY - Fine-tune your aquarium’s CO2 flow with the high-accuracy needle valve and integrated bubble counter, achieving a consistent 1 bubble per second for optimal plant growth.
SMART TIMER COMPATIBILITY - Designed for 12V DC solenoid operation, easily pair with your favorite smart plug or timer to automate CO2 injection and maximize energy efficiency.
INDUSTRIAL GRADE DURABILITY - Crafted from 1.5mm thick SUS304 stainless steel, this reactor withstands pressures up to 1137 PSI, ensuring unmatched safety and longevity.

The FZONE 5.5L Aquarium CO2 Generator System is a professional-grade DIY kit featuring a robust 1.5mm SUS304 stainless steel reactor bottle, precision needle valve with bubble counter, and a regulator designed for 12V DC solenoid control. Engineered for aquarists managing 600-800g of raw materials, it delivers steady, fine-tuned CO2 injection to boost plant growth while ensuring safety with a pressure threshold of 1137 PSI and backflow protection. Ideal for millennial plant parents seeking reliable, automated CO2 solutions without the hassle of gas canisters.

Specifications

ASIN	B08THYYFMN
ASIN	B08THYYFMN
Best Sellers Rank	#34,342 in Pet Supplies ( See Top 100 in Pet Supplies ) #97 in Aquarium Air Pump Accessories
Brand Name	FZONE
Customer Reviews	4.4 4.4 out of 5 stars (971)
Date First Available	February 23, 2023
Item Form	Liquid
Liquid Volume	5.5 Liters
Manufacturer	FZONE
Manufacturer	FZONE
Manufacturer Part Number	FZ-4LKIT-US
Package Dimensions	17.2 x 10.94 x 6.97 inches; 7.32 Pounds
Target Species	Fish and Plants
UPC	764595876395
Unit Count	1.00 Count

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R5498

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

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TrustScore 4.5 | 7,300+ reviews

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