Taking the Salty Plunge!

[Chemi]

I don't have a back flush feature. I checked the TDS and it's not zero anymore so I guess I'll change the sediment filter and see if that fixes my problem.
On a more positive note, I think I've decided on the rock scape does this look alright? I have 1 power head top left and the other in the bottom middle facing the right. The canister intake is on the right corner. I'm debating on adding the other canister on the left somewhere just for extra filtration. Should I? Seems like there isn't any room for anything else with all the rocks and power heads lol
[IMG][/IMG]