Hey there........
I have had a Aquasafe for almost a year. When I first set it up, yes a couple of leeks but soon fixed. Works very well the clear case thing so you can see the filters I just cant buy in to that, its the TDS you want to know. PSI gage a nice to have but Im doing ok without it. The one thing that I did add was a
PERMEATE PUMP no power needed and cuts the waist water way back as much as 60-80% (i think)
increases psi of system and recoups faster.
http://www.aquariumwaterfilters.com/...meatePump.html
http://www.waterfiltersonline.com/pumps.asp
Just a couple I found do a search on it theres tons of sellers
Cheers
Richard