We specialize in planted aquarium products - CO2 Regulators, CO2 Systems, Diffusers, Drop Checkers, Fertilizer, Substrate and Aquascaping Tools. We specialize in planted aquarium products - CO2 Regulators, CO2 Systems, Diffusers, Drop Checkers, Fertilizer, Substrate and Aquascaping Tools. I'm looking into getting a pressurized c02 setup for my 55 gal tank. Freshwater Planted Aquarium Plant Care: Drs. Foster & Smith. Benefits of a CO2 Regulator. The large reactor was intended to maximize the mixing of water and CO 2. This regulator is made from heavy duty brass, and it comes with an electronic solenoid and a high precision needle valve. Be sure to keep the cylinder upright during transport and while running the system. Lime deposits may also be found on the leaves of the plants. Basically, a DIY system consists of a pressure vessel 2 Liter soda bottles work great, so do 1L Smart Water containers. A nano version is available for smaller aquariums, but it does not include the spiral bubble counter. The smaller the bubbles, the more surface area of water is in contact with the molecules of CO2, and the more CO2 will be dissolved into the water. Carbon filter media has no nutrient properties for plants and can actually remove some nutrients. This is the regulator in question. Now, mixing up the 4dKH solution baking soda and water can be tricky, as it requires a pretty sensitive scale and some very small measurements. It refers to the amount of CO2 injection. Dose your liquid carbon at the same time every day — ideally just before lights on. Note that passwords are case-sensitive. A bubble counter is also included, and it comes with an integrated check valve. This calculator and the chart based on this formula will only work if your water is carbonate buffered. Now this kit comes with most of your CO2 needs.