---
product_id: 35373300
title: "Co2 Drop Checker, Quickest Most Accurate Easiest to Use Glass Co2 Drop Checker for Planted Aquarium Fish Tank (CO2 Checker)"
brand: "yagote"
price: "€ 18.62"
currency: EUR
in_stock: true
reviews_count: 13
category: "Yagote"
url: https://www.desertcart.it/products/35373300-co2-drop-checker-quickest-most-accurate-easiest-to-use-glass
store_origin: IT
region: Italy
---

# 2-hour quick read Glass precision sensor Secure suction mount Co2 Drop Checker, Quickest Most Accurate Easiest to Use Glass Co2 Drop Checker for Planted Aquarium Fish Tank (CO2 Checker)

**Brand:** yagote
**Price:** € 18.62
**Availability:** ✅ In Stock

## Summary

> 🌿 Keep your tank thriving with the sharpest CO2 insight in the game!

## Quick Answers

- **What is this?** Co2 Drop Checker, Quickest Most Accurate Easiest to Use Glass Co2 Drop Checker for Planted Aquarium Fish Tank (CO2 Checker) by yagote
- **How much does it cost?** € 18.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/35373300-co2-drop-checker-quickest-most-accurate-easiest-to-use-glass)

## Best For

- yagote enthusiasts

## Why This Product

- Trusted yagote brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Fast & Reliable Results:** Get precise CO2 readings in just 2 hours, empowering you to maintain the perfect aquatic environment without guesswork.
- • **Optimal Plant & Fish Health:** Color-coded indicator guides you to maintain the ideal 20-40 ppm CO2 range, maximizing growth and vibrancy in your planted tank.
- • **Crystal-clear CO2 Monitoring:** Premium thick glass ensures ultra-transparent, accurate readings that blend seamlessly into your aquarium’s aesthetic.
- • **Effortless Installation & Use:** Suction cup design lets you mount the checker in seconds—no tools, no hassle, just instant CO2 level insights.
- • **Durable & Thoughtfully Packaged:** Crafted from high-quality glass with protective EPE packaging, ensuring your drop checker arrives intact and ready to perform.

## Overview

The Yagote CO2 Drop Checker is a high-quality glass device designed for planted aquariums, providing fast and accurate CO2 level readings through a color-changing indicator. Easy to install with a suction cup, it helps maintain optimal CO2 levels (20-40 ppm) critical for healthy aquatic plants and fish. Its durable glass construction and protective packaging ensure longevity and reliability, making it an essential tool for any serious aquarium enthusiast.

## Description

Our CO2 Glass Drop Checker is perfect for planted aquarium. It is made of premium thick glass that is hard to break and damage. With the suction cup design, it is easy to install and operate and can fix on the aquarium firmly. And the fine, see-through glass is blended in the environment of aquarium, which can create a sense of harmony and unity. You can easily read the CO2 level according to the color change of CO2 indicator solution. The original color is blue, when it turns green, it means that CO2 destiny is right and balanced. If it turns yellow, there is too much CO2 in the tank. You can make the necessary adjustments and test until you get green. Our CO2 checker can make your tank have optimal CO2 level that is healthy for both plants and fish. Package Included: 1 x CO2 Glass Drop Checker 1 x Suction Cup

Review: Excellent product works great! - Works exactly as described and an excellent price! Very even distribution of super fine bubbles which is exactly what you need. These type of diffusers only work with a pressurized cylinder of CO2, they need a low quantity of high pressure gas to operate correctly.
Review: I’m happy! - Very pleased with this little thing. It’s cute, and does the work. I soaked mine for 48 hours - and got it going from the first spin. I’ve read many comments here (even with positive reviews and ratings) - but totally misleading. Yes, it will ONLY work with pressurized CO2 tank and appropriate regulator valve. But working pressure is NOT 30-40-60 psi. Whoever wrote this - probably has no idea what he/she is talking about (unless it was a bad joke). 60 psi pressure would blow your tubing on every connection - not to mention a tender glass fixture which this diffuser is. I’ve got mine set up at 10 psi for ~2-2.5 bubbles per second (for my 55 gal heavily planted tank). Might increase it to 4 bubbles eventually - but since this diffuser produces perfectly fine bubbles (slightly larger than champagne) - CO2 dissolves in water much better than it did for me with previous diffuser (6 bubbles). Quantity of your bubbles will depend on resistance of ceramic disk of your diffuser (plus any in-line check valves etc). So don’t play (or risk) with pressure - count the bubbles on your bubble counter! And watch your in-tank CO2 checker. One note on pressure though - after you soak your diffuser and prime it initially - you’ll get bubbles out of only 2-3 spots on your disk. That’s when you want to carefully increase the pressure to about 20 psi - and then lower back it immediately. This “jump” will open up the pores and you’ll see bubbles coming out from many other areas of the disk on your diffuser. Good luck!

## Features

- MUST-HAVE KIT: The co2 glass drop checker is a necessary tool for every aquarium and planted tank. It can help you keep the CO2 levels in your tank consistently by checking it regularly. Monitoring co2 levels in your planted aquarium is very important for the health of your plants and fish.
- HIGH QUALITY CO2 CHECKER: This co2 drop checker is made of high quality glass materials. It has high transparency. The fine, see-through glass body of the co2 checker is blended in the environment of aquarium, which can create a sense of harmony and unity.
- EASY TO INSTALL AND USE: Make sure your test kit is clean. Drop 5 drops of CO2 indicator(not included) into the glass drop checker and make sure it is stored in the bulbous side of the valve with the opening facing down. Place suction cup(included) on the drop and attach the co2 drop checker to the side of your tank, completely submerge it in the tank water. Wait 2 hours to read Co2 levels.
- EASY TO READ. According the color change of CO2 indicator solution(not included), you can easily know the level of CO2. Blue--original color of solution; Green--right level of CO2; Yellow--too much CO2. A healthy tank has carbon dioxide to water level between 20 to 40 ppm (parts per million). 30 ppm is the optimal level that is healthy for both plants and fish. Keep CO2 levels optimum for all your aquatic plants to grow healthy and beautiful.
- PACKAGE AND SERVICE: 1x CO2 Drop Checker, 1 x Suction Cup. NOTE: The product belongs to fragile product. We try our best to avoid the breakage. Our package used EPE material to prevent the product from breaking. If there is breakage when you receive it, please be careful to avoid being scratched. And please feel free to contact us at any time, we can send you a new item.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01M6W04WO |
| ASIN  | B01M6W04WO |
| Best Sellers Rank | #33,261 in Pet Supplies ( See Top 100 in Pet Supplies ) #702 in Aquarium Water Treatments |
| Brand Name | Yagote |
| Color | CO2 Checker |
| Customer Reviews | 4.0 4.0 out of 5 stars (1,707) |
| Date First Available | October 12, 2016 |
| Date First Available  | October 12, 2016 |
| Directions | 1. Drop 5 drops of CO2 indicator solution into the glass drop checker. 2. Attach the suction cup to the drop checker and place it on the side of your aquarium, ensuring it is completely submerged in the tank water. 3. Wait 2 hours to read CO2 levels. 4. Interpret the color change: Blue indicates the original color of the solution, Green indicates the right level of CO2, and Yellow indicates too mu… |
| Is Discontinued By Manufacturer  | No |
| Item Package Dimensions L x W x H | 2.76 x 1.89 x 1.54 inches |
| Item Weight | 0.03 Kilograms |
| Item model number | CO2-1 |
| Item model number  | CO2-1 |
| Manufacturer | Yagote |
| Manufacturer  | Yagote |
| Material | Glass |
| Package Dimensions  | 2.76 x 1.89 x 1.54 inches; 1.13 ounces |
| Size | CO2 Checker |
| Style | Modern |
| Target Audience Keyword | fish |

## Product Details

- **Brand:** Yagote
- **Item Weight:** 0.03 Kilograms
- **Manufacturer:** Yagote
- **UPC:** 710033283270

## Images

![Co2 Drop Checker, Quickest Most Accurate Easiest to Use Glass Co2 Drop Checker for Planted Aquarium Fish Tank (CO2 Checker) - Image 1](https://m.media-amazon.com/images/I/419LkBS+mGL.jpg)
![Co2 Drop Checker, Quickest Most Accurate Easiest to Use Glass Co2 Drop Checker for Planted Aquarium Fish Tank (CO2 Checker) - Image 2](https://m.media-amazon.com/images/I/41gzzgkLD+L.jpg)
![Co2 Drop Checker, Quickest Most Accurate Easiest to Use Glass Co2 Drop Checker for Planted Aquarium Fish Tank (CO2 Checker) - Image 3](https://m.media-amazon.com/images/I/51BLIjDmGuL.jpg)
![Co2 Drop Checker, Quickest Most Accurate Easiest to Use Glass Co2 Drop Checker for Planted Aquarium Fish Tank (CO2 Checker) - Image 4](https://m.media-amazon.com/images/I/51y74So3f4L.jpg)
![Co2 Drop Checker, Quickest Most Accurate Easiest to Use Glass Co2 Drop Checker for Planted Aquarium Fish Tank (CO2 Checker) - Image 5](https://m.media-amazon.com/images/I/61-VorNF8eL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent product works great!
*by L***Y on January 12, 2026*

Works exactly as described and an excellent price! Very even distribution of super fine bubbles which is exactly what you need. These type of diffusers only work with a pressurized cylinder of CO2, they need a low quantity of high pressure gas to operate correctly.

### ⭐⭐⭐⭐⭐ I’m happy!
*by S***Y on December 11, 2022*

Very pleased with this little thing. It’s cute, and does the work. I soaked mine for 48 hours - and got it going from the first spin. I’ve read many comments here (even with positive reviews and ratings) - but totally misleading. Yes, it will ONLY work with pressurized CO2 tank and appropriate regulator valve. But working pressure is NOT 30-40-60 psi. Whoever wrote this - probably has no idea what he/she is talking about (unless it was a bad joke). 60 psi pressure would blow your tubing on every connection - not to mention a tender glass fixture which this diffuser is. I’ve got mine set up at 10 psi for ~2-2.5 bubbles per second (for my 55 gal heavily planted tank). Might increase it to 4 bubbles eventually - but since this diffuser produces perfectly fine bubbles (slightly larger than champagne) - CO2 dissolves in water much better than it did for me with previous diffuser (6 bubbles). Quantity of your bubbles will depend on resistance of ceramic disk of your diffuser (plus any in-line check valves etc). So don’t play (or risk) with pressure - count the bubbles on your bubble counter! And watch your in-tank CO2 checker. One note on pressure though - after you soak your diffuser and prime it initially - you’ll get bubbles out of only 2-3 spots on your disk. That’s when you want to carefully increase the pressure to about 20 psi - and then lower back it immediately. This “jump” will open up the pores and you’ll see bubbles coming out from many other areas of the disk on your diffuser. Good luck!

### ⭐ Bad quality
*by K***C on April 14, 2025*

I had hopes since there were many good reviews. However, it didn’t work at all. I tried a few suggestions and tips on here as well as online but it never worked at all. The pressure needed was way too high for a diy or a co2 tank. The hoses kept popping off and I lost a lot of co2 from my tank. Not worth it, you’re better off purchasing a slightly more expensive one but will actually work.

## Frequently Bought Together

- Yagote Co2 Drop Checker, Quickest Most Accurate Easiest to Use Glass Co2 Drop Checker for Planted Aquarium Fish Tank (CO2 Checker)
- Clscea Acrylic CO2 Diffuser with Integrated Bubble Counter for Aquarium Plants (L)

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-02-24*