#vacation

My tank is almost automated besides feeding coral/fish, cleaning glass, manual fleece roller, emptying skimmer cup and waterchange. Is there anything I should do or prep for. House sitter is an option but will have 0 knowledge about reef tank. I am thinking about adding 2 dosing pumps for water...

So I currently have a 20 gallon fish tank with 2 clownfish and 1 yellow watchman goby. I am going to go on vacation for 4 days within a week. The problem is that I don’t have an automatic light. The fish tank is placed close to my window so they will still have some light during the day. I do...