Im moving in the next 4 weeks and am going to totaly re-do my van (watch this space) and am going to take all the stuff out that purefreedom put in except the tank and going to build a static tank, at the minut ive got 1 18x6 inch Vessel which has got my di in and also 1 18x6 inch Vessel that has the softner in im going to empty this and use it as a 2nd di on van for pump 2 because at the minute my system is di before tank but want to swap this around, now with my static tank i want to get a bigger vessel and have been told to get tall and thin so is a 6"x35" (15 litres) vessel complete with head, riser and screens good or shall i go bigger, also the PD pressure gauges a good add on to get, some also mentioned a di cartridge which i could use on static before static as ill get ultra pure (is this right).
Is there anything else ill need to get.