how do i top off the water in my tank?

[Zoaelite]

Originally Posted by marvinsae

as of now i only have a crab and a few snails, but directly pouring water in wont stress them out will it? or when i have fish in the future

No you should be good to go, as long as it isn't a drastic amount of water and your salinity/ temp levels are not taking a major hit everyone will be happy. I add top off water to my sump to ensure proper mixing before it gets to the maintank.