Ah, good. Looking at the same.

For a large tank the ReefFillers from Champion are extremely reilable. They will pump kalk until the cows come home. They use 1/2" plastic line like for ice makers and I believe can pump 200' in any direction. They are kind of loud though.

I used to keep a 90 gallon tube of kalkwasser it would pump from. They also aren't damaged if they run dry.

NOT a good solution unless you can keep them remote to living areas of the house.

Can everyone post links? I'll post for this one in a second.

Todd

Todd