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HI everyone ! I have a 55 gallon tank that I am planning to change the gravel to sand. The gravel has been in there for a good bit now and it’s time for some different scenery. I want to get my feet wet with live plants. I have read where you can use pool filter sand or some type of sand from the hardware store. It is definitely the cheaper option , but I’d like to hear opinions and experiences. Would I be better off to just buy some substrate from the local aquarium shop ? Switch to sand or keep the gravel ? Thanks !