I can do the Sharpie part but set up is.... way out of my thinking. Even with your picture to help me to see it clearer; please, tell me
What is this power source? And using this ps you don't need to use the battery. How powerful 6V battery could be? Do i have to plug this ps in to electrical outlet to have a source of energy?
The fish tank bubbler will connect directly in to the salt water?
Thanks in advance for answering my questions.
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