Stone Levitation/Water Hardness Question

[Stevorino]

On the Stone Levitation CYBI Show, it's referenced that the water profile is 100ppm. What exactly does that mean?

I'm brewing this sucker tomorrow (Monday) and would love to nail down the water.

[thatguy314]

On the Stone Levitation CYBI Show, it's referenced that the water profile is 100ppm. What exactly does that mean?

I'm brewing this sucker tomorrow (Monday) and would love to nail down the water.

They diluted the San Diego water until the total hardness (Ca + Mg) was 100ppm