I picked up a new drop checker from Dennerle – the Carbo Test Precision, sold by Real Aquatics. This drop checker comes in three different sizes. I got the small 20 mm version which actually surprised me by how small it turned out to be. This checker is different because instead of having a hanging […]
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It’s challenging with a small tank getting the CO2 flow to be both low and stable. I use 600g disposable CO2 cylinders with a single stage regulator that is ok, but not very useful for fine control. There are several downstream valves that further reduce the gas flow. The CO2 over the last month or […]
Read more →A drop checker is a simple and reliable device for measuring the level of dissolved CO2 in aquarium water. The drop checker hangs from the wall of the tank inside the tank and completely underwater, e.g. with a suction cup, and contains a liquid with a pH indicator dye in the “drop” portion which is […]
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