Hydrofarm
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Active Air Hydrofarm COSYS20 COSYS CO2 with Timer
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Active Air Hydrofarm COSYS20 COSYS CO2 with Timer
The Active AirCO2 Tester Kit is an inexpensive alternative to costly electronic monitors.
Active Air Hydrofarm COSYS20 COSYS CO2 with Timer
Item #: 38199865

Active Air Hydrofarm COSYS20 COSYS CO2 with Timer

82% of respondents would recommend this to a friend

Item #: 38199865

XCD 98

Price Details

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Order now and get it around Thursday, September 24
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The Active AirCO2 Tester Kit is an inexpensive alternative to costly electronic monitors.
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What Stands Out

Accurate CO2 Testing
The Hydrofarm COTEST Tester Kit provides precise CO2 measurement, ensuring optimal growth conditions for plants. Its accuracy is essential for cultivating a thriving indoor garden or greenhouse environment.
Timer Functionality
Equipped with a built-in timer, this kit allows users to automate the regulation of CO2 levels, promoting efficiency and ease of use while reducing the need for constant monitoring.
Durable Stainless Steel
Constructed from high-quality stainless steel, the tester kit is built to last, providing reliable performance in demanding environments while maintaining a sleek and professional appearance.

Product Details

Shop Active Air Hydrofarm COSYS20 COSYS CO2 with Timer online at a best price in Grenada. B009G6108U
BrandHydrofarm
Model NumberCOTEST
Global Trade Identification Number00638104401111
Unit Count1 Count
ManufacturerHydrofarm, Inc.
UPC638104401111
Item Type NameCOSYS CO2 with Timer
Mfr Part NumberCOTEST
AlarmAudible
Sensor TypePhotoelectric
Product StyleCO2 Test Kit
ColorStainless Steel
Item Weight0.27 g
Enclosure MaterialStainless Steel
StyleCO2 Test Kit
MaterialStainless Steel

Who Should Buy?

Suitable For
  • Indoor Gardeners

    Perfect for indoor gardeners seeking to monitor and optimize CO2 levels for healthier plant growth and higher yields.

  • Commercial Grow Operations

    Ideal for commercial growers utilizing controlled environments to ensure optimal conditions for large-scale plant production.

  • Hydroponic Systems

    Great for hydroponic setups where precise CO2 management can boost nutrient uptake and plant performance significantly.

Not Suitable For
  • Beginner Growers

    May overwhelm novice growers who lack experience in managing CO2 levels and understanding the needs of their plants.

Product Description

Active Air Hydrofarm COSYS20 COSYS CO2 with Timer

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Customer Questions & Answers

  • Question: How does the Active AirCO2 Tester Kit work?

    Answer: The kit measures CO2 levels to ensure optimum growth conditions for your plants.
  • Question: Is the kit easy to use for beginners?

    Answer: Yes, it comes with clear instructions making it user-friendly for everyone.
  • Question: What is the advantage of using this kit over electronic monitors?

    Answer: It offers a cost-effective alternative while providing accurate CO2 level measurements.

Hydrofarm Indoor Air Quality Meters COTEST Editorial Review

The Hydrofarm COTBDR Active Air Drilled 14" CO2 tubing is a CO2 level testing kit that comes with two test tubes for immediate results. It can only perform a one-shot test and cannot monitor CO2 levels over time. It costs $15.90 and has an inside diameter of 0.17" and an outside diameter of 0.29". Customers have experienced issues with leakage from fittings, broken parts, and poor quality Construction. Some have also noted incorrect CO2 measurement accuracy and hot solenoid hardware. However, others have found the kit useful and effective for their needs.

Customer Reviews & Ratings

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Pros

  • Immediate results
  • Affordable price
  • Effective for some users

Cons

  • Only performs one-shot test

Platform Trust & Buyer Confidence

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4.2/5 9300 + reviews
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Jazz
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“Easy to use and always helpful and sorts any issues I've had past and present”

1 September 2026 · via Trustpilot
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Emmanuel
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“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”

31 August 2026 · via Trustpilot
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“The delivery was fast and the product came undamaged and authentic.”

29 August 2026 · via Trustpilot
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“Fast, convenient and cheap. Great store!”

27 August 2026 · via Trustpilot
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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.
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Features & Benefits

  • Affordable solution for monitoring CO2 levels.
  • Easy to use with clear instructions included.
  • Helps eliminate waste and optimize plant growth.
  • Compact size for convenient storage.
  • Manufactured by Hydrofarm, a trusted name in agriculture supplies.
  • Supports effective and productive growing practices.

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