I have always had a Cichlid tank and has been years since my last and want to make sure it is done correctly. Have a new 75 gallon tank with 2 Cascade 1000 canister filters , via aqua 300 watt heater , and 80 pounds of Caribsea arag alive Hawaiian black sand. I want to start with small fish in the 1/12 - 2 in in size . Any feedback would be helpful. Thank you in advance.