New sump

[Grease]

My tank a lil over a year old. I just bought a sump n overflow for it. What's the best way to get the water into the sump for the first time?

 

[fort384]

You have to add new SW to the system to make up for the additional volume. I would just fill it with your newly mixed SW. As you pump it up to the DT, it will mix over a few minutes with the old water. Just need to make sure you match temperature and salinity as you will be adding a pretty large volume by percentage.

 

[Grease]

Would this work- siphon water from dt into sump, then put new sw into dt, then turn everything on?

 

[fort384]

Yes that will work. It involves an extra step that I am not sure is necessary though

 

[Grease]

I gotcha. Thanks