年表作成・共有サービス - pastport

https://www.senzeal.com/blog/things-you-need-to-know-about-drop-checkers-b0488.html

Mastering carbon dioxide is the most important skill in a planted aquarium. Aquarium plants use light energy to extract carbon from carbon dioxide, which is then used to make carbohydrates. Sugar is a basic carbohydrate. Plants combine phosphate and carbon to form nutritious sugar. It is this phosphate sugar that is used for growth and reproduction. Sugar is so important that plants immediately sense a reduction in carbon supply, which negatively reacts to the loss of valuable carbohydrates. As light intensity increases, the demand for sugar from aquatic plants increases rapidly.
Why tank water should not be used in the drop checker
If dissolved carbon dioxide is the only source of acidity in the tank, then measuring the pH and using an equation/graph to determine the concentration of carbon dioxide is simple. Unfortunately, this has almost never happened. There are many acidic and alkaline substances in the tank, from urine, ammonia to phosphates that we add as nutrients. Therefore, the pH measured in the water tank is not reliable because it cannot accurately reflect the acid produced by the carbon dioxide dissolved in the water.
It is generally accepted that the drop checker is filled with distilled/deionized water / reverse osmosis water adjusted to a known kH value. In this way, the water of the drop checker is separated from the container, and only directly contacts the carbon dioxide. The carbon dioxide evaporates from the container into the air bubbles of the checker, and then enters the water sample. It was reasoned that a distilled water sample adjusted to a carbonate hardness of 4 dkH a 30 ppm concentration results in a pH of approx 6.6 which, using the reagent of a pH test kit in the drop checker turns the water sample in the checkered green. 4dkH water has now become the standard solution for drop checkers, however, 5 dkH can be used as well. With a 5 day a green color (6.6 pH) will indicate 38 ppm. These solutions can be made but AE also sells it.

How are aquarium drop checker assembled and installed? Drop checkers come in a variety of sizes, shapes, and materials, such as plastic or blown glass. Blown glass is valuable and more expensive because it adds aesthetic appeal when installing a water tank. Due to its geometry, there is no difference in the performance of drop checkers. Sometimes its shape and structure make it difficult to distinguish colors.
Some drop checker kits are sold separately with pH reagents and 4DKH water. Other kits sell a premixed liquid that mixes the two liquids. Either method works, but the mixture is more convenient.
When should the reagent be replaced?
The standard practice is to clean the container and change the drop checker fluid with each water change, usually weekly. Other factors affecting the availability of carbon dioxide in plants if we can detect carbon dioxide visually in a tank, we will find that its distribution is uneven. Plants in the upstream area have larger passages than those located directly behind the downstream. Flow and distribution are not discussed nearly enough but they are as critical as bubble rate and peak concentration. It is often stated that a planted tank should be filtered at a turnover rate of between 3 to 5 times the tank volume per hour. The problem is that no filter ever delivers it's rated flow at typical configurations once loaded with media. Canister filters and sump pumps have to fight gravity as well. Add a best co2 diffuser/reactor and one would be fortunate to get 50% of rated flow.
Decide on filtration for a tank aim for 3X tank volume, while assuming 50% loss and choose the model based on these revised numbers. A 200 L tank should be filtered at 600 L/hour, but that means a filter (or filters combined) rated at 1200 L/Hour. If this is not feasible due to space or cost, then consider adding a powerhead alternative to deliver flow to the aquatic plants. When most or all plants "sway in the breeze", they can reflect their reasonable distribution.
Here are some recommended types of co2 drop checker. By mastering the CO2 level in your fish tank, you can ensure that your fish has a healthy growth environment. We provide the best quality freshwater water tanks and aquarium supplies at the best prices. For more information or to make a purchase, please continue to visit our website senzeal.com or contact us right away!