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Basic AQUATEK CO2 Regulator with COOL TOUCH SOLENOID

4 out of 5 stars 33 customer reviews
| 13 answered questions

List Price: $119.99
Price: $82.99
Sale: $79.99 & FREE Shipping. Details
You Save: $40.00 (33%)
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Sold by Aquatek and Fulfilled by Amazon. Gift-wrap available.
  • COOL-TOUCH, industrial electronic Solenoid design
  • Dual Gauges paired with precision needle valve for fine tuning release of CO2
  • Durable brass construction for long-lasting durability and dependability
  • Compatible with most CO2 atomizer and diffuser
  • Compatible with most high density tubing (Free Bubble Counter with Integrated Check Valve)
2 new from $69.99
$79.99 & FREE Shipping. Details In Stock. Sold by Aquatek and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

  • Basic AQUATEK CO2 Regulator with COOL TOUCH SOLENOID
  • +
  • AQUATEK CO2-Proof Tubing 16 Feet
  • +
  • Fluval Ceramic 88g-CO2 Diffuser - 3.1 Ounces
Total price: $95.47
Buy the selected items together


Product Description

Aquarium: Perfect for calcium reactor and Freshwater Plant CO2 injection applications. Compatible with most CO2 atomizer and diffuser. Calcium Reactors and CO2 fertilization require far more precision in their dosing. Our Deluxe CO2 Regulator with solenoid is the best we've seen. Unit comes with dual gauges each with dual reading of both psi & kg/cm. Left gauge meters tank capacity and right gauge output pressure. Green house and Hydroponics: Carbon dioxide is one of the essential ingredients in green plant growth and is a primary environmental factor in greenhouses. CO2 enrichment at 2, 3 or four times natural concentration will cause plants to grow faster and improve plant will quality. The reason you will get more rapid and efficient growth and better plant quality with a higher CO2 level is because plants must absorb CO2 in combination with water, soil nutrients and sunlight which produces sugars which are vital for growth. If any of these elements are missing or low, plant growth will be retarded. When CO2 is increased to over 1000 ppm it results in higher production and plant quality. CO2 fertilization require far more precision in their dosing. Our Deluxe CO2 Regulator with solenoid is the best we've seen. Unit comes with dual gauges each with dual reading of both psi & kg/cm. Left gauge meters tank capacity and right gauge output pressure. With its fine tuning capabilities and electronic regulation, this CO2 Regulator meets the highest industry quality standard.

Product Details

  • Shipping Weight: 2.4 pounds (View shipping rates and policies)
  • ASIN: B0041YLM7G
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (33 customer reviews)
  • Amazon Best Sellers Rank: #24,212 in Pet Supplies (See Top 100 in Pet Supplies)
  • Product Warranty: For warranty information about this product, please click here

Customer Reviews

Top Customer Reviews

Verified Purchase
No complaints thus far, easy to install and works like a charm. I wonder why Aquatek includes a check valve/bubble counter but no 3-1 diffuser (?) As other reviewer suggested, this is not really a "complete system." Aside from the CO2 source, you need a diffuser/reactor and you need tubing.

I had some problems with the check valve/bubble counter. Basically, submerging it in water would not fill it up. I had to "inject" water from the aquarium with a syringe in order to make it work.

On a first run the system takes a while to settle, the gauges are meaningless for the first few minutes. Note that the precision needle valve closes to the right and opens to the left. Make sure you have it all the way to the right (closed) before you open the CO2 flow or you will get a CO2 gas flood. Then slowly adjust the rate by rotating the needle valve to the left and checking the bubble counter.
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Verified Purchase
Regulator works well with CGA 320 valve. Would be nice if you can adjust pressure. Factory set at 30Psi. No issues with product and unit stays cool compared to more expensive units. Using with a 10LB CO2 tank in a 60 gallon planted tank.
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Preset secondary, works only with lower pressure diffusers. Also, needle valve irregular and unreliable. Have to leave running all the time. When you use the solenoid, the bubble count is much lower when it comes back on, I believe this is due to the needle valve problem. Adding a new needle valve would make this a very nice unit.
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It's a preset, complete system, except for your CO2 tank/cylinder/bottle.
I've been using one for about two years now and am very satisfied with mine. My only small regret was not buying it's big brother with six outlets. ;-)
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Verified Purchase
At this price point I think you would be hard pressed to find anything that would compare to this regulator. I have had this for about a week and I'm completely satisfied. The needle valve is a little touchy but not so much that you can't dial in the amount of co2 you need. Once I set it, I never had to make any changes... So far ever time the solenoid shuts of and comes back on the bubble count returns to where I set it originally. Keep in mind I have a 120 gallon with a sump so I'm pushing a ton of co2. More bubble a second than I can realistically count. I highly recommend purchasing from Aquatek of California. My orginal packaging did not include the bubble counter as advertised. I left seller feedback noting that issue. Aquatek contacted me within minutes of leaving the feedback and sent me the bubble counter at no cost. That in my opinion is first class customer service. Thank you Aquatek.
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Verified Purchase
I have bought this item a while ago and haven't gotten to test this item up till now. I have a 5 gallon CO2 tank and used 2 different pressure relief valve adapters and both valves hisses as i turn it on to minimum air flow. It also couldn't maintain the air flow as it shuts off when I set it up to the minimal possible hissing sound that I could hear. I have bought both regulator and the adapter of this same brand and the results are the same.
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Verified Purchase
Really good regulator for the price! I dont know why all the negative comments about the fine tune needle valve on it? It was super easy for me to tune it to 1 bps or whatever I wouldve needed it to! And there was no leaks or anything, all gauges work and solenoid is working perfect on the timer!
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Verified Purchase
Good Regulator but after getting everything hooked up I sprayed it down with soapy water and found a leak where the needle valve/ solenoid connects to the regulator. Would have given it a 5 star rating but it was very annoying to have to fuss with something brand new out of the box.
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