Why is my drop checker always yellow after many hours without co2 : r/PlantedTank
![Why is my drop checker always yellow after many hours without co2 : r/PlantedTank](https://preview.redd.it/why-is-my-drop-checker-always-yellow-after-many-hours-v0-8i5rjkhm3mhb1.jpg?width=640&crop=smart&auto=webp&s=466b7fcf3e900800323f50f5d6be8d39c4e01d16)
![](https://ae01.alicdn.com/kf/S1c446c40348a48609fc793232300afa6F/Diffuse-Glass-CO2-Drop-Checker-Aquarium-Hang-On-CO2-Monitor-Sensor-Detector-Indicator-For-Fish-Tank.jpg)
Monitor Sensor Detector Indicator
![](https://c8.alamy.com/comp/2KEF9G4/glass-hang-on-co2-aquarium-drop-checker-for-monitoring-optimal-carbon-dioxide-amount-in-planted-tank-2KEF9G4.jpg)
Carbon dioxide test hi-res stock photography and images - Alamy
Understanding pH, KH, GH in Home Aqauriums
![](https://greenaqua.hu/media/athemenew/blog/aquatic-plants-lighting.jpg)
The most common plant deficiency symptoms in the aquarium
![](https://preview.redd.it/pel2li2e1yt31.jpg?width=640&crop=smart&auto=webp&s=8c302fdf93570d0fb99f4279f717856d3ea76c5f)
Is this a 30ppm green on my drop checker? : r/PlantedTank
More on a Maintenance-Free Tank
![](http://www.aquariumcoop.com/cdn/shop/articles/foaming_in_planted_tank.jpg?v=1683836227)
7 Reasons Why Your Aquarium Water Has Bubbles or Foaming
![](https://farm2.staticflickr.com/1977/44968176212_151a807efd_b.jpg)
Rimless Dutchy GTA Aquarium Forums
CO2 Drop Checker Always Lime Green
![](https://allaboutplantedaquariums.com/wp-content/uploads/2020/06/Gas-Bubbles-Carbon-Dioxide-Laacher-Lake-Germany.jpg)
Dissolved CO2 – The Planted Aquarium Water Parameters
![](https://i.redd.it/help-reading-co2-drop-checker-results-v0-vit5jijmwnx91.jpg?width=3024&format=pjpg&auto=webp&s=092bec27abe59084da82e0e93ce7d8726626aa19)
Help reading co2 drop checker results : r/PlantedTank
Drop Checker takes forever to turn lime green
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