So I'm new to the hobby this is my first tank (46 gal fowlr
long sump) and it's not set up yet. I ran across a guy selling 75 lbs live Fiji rock for 2$ a lb so I bought it. Have a barrel set up with saltwater that I made with my rodi
water, heater going about 75 degrees, circulating pump and old aquarium light. Also was told to have a cocktail shrimp on the rock to keep ammonia in the water. My questions are, do I need the light on, how often to do water changes and what percentage of a change, and how high should I let my ammonia levels get (with the cocktail shrimp in there) thanks for any input.
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