Saltwater Aquarium Beginner's Guide | Episode 3: RO/DI, Salt Mix, and Aquarium Heaters
If you are following along with this Saltwater Aquarium Beginner's Guide, this video from Matthew is a big one. He breaks down the essentials of water, salt, and heat in a way that makes the early stages of reefing feel a lot less intimidating. Matthew explains why tap water can cause long term issues, how an RO/DI filter works, and when store bought RO or distilled water can be a good starting point. He also walks through choosing a salt mix, mixing and heating seawater the right way, and a few simple tricks to fill your tank without kicking up a sandstorm. The video wraps up with a clear explanation of heater sizing, placement, and using a temperature controller for long term safety and stability. If you are just getting started in the saltwater hobby, Matthew’s overview gives you exactly what you need to move forward with confidence.
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