I've emailed Jim. He replied they closed due to health issues... Those guys really make the difference, hope the come again.
Anyway, just to help any reef fellow Jim mad have here an custom Ocean Reef Miser "Six" Stage RO/DI 150 GPD unit, configured as:
Anyway, just to help any reef fellow, forever ago when I ordered my RO/DI system, Jim customized an Ocean Reef Miser "Six" Stage RO/DI 150 GPD as below. All the part numbers are available at
http://www.thewaterguy.ca
Pre-stage: 5 micron poly sediment filter - Pentek/Pentair 5 Micron Poly Spun Sediment Filter Part# 155014-43
1st stage: 1 micron poly sediment filter - Pentek/Pentair 1 Micron Poly Spun Sediment Filter Part# 155225-43
2nd stage: 5 Micron Matrikx NSF rated CTO carbon block filter - KX Matrikx 5 Micron CTO Carbon Filter Part# 32-250-125-975
3rd stage: 0.6 Micron (Formerly MatriKX +1) Chlorine Guzzler carbon block - Part# 01-250-125-975
Two Dow FilmTec RO membranes 75 GPD each - Part# BW60-1812-75
6th stage: DI housing with refillable cartridge - you can use Spectrapure MaxCap DI Cartridge - SuperDI or any other.
7th stage: High Capacity DI Color Change Cartridge
Add-ons:
RO Bypass valve.
Dual TDS meter 1/4 quick fittings
NOSHOK Center Mount 2.5" Water Pressure Gauge 0-160 PSI, SS, 1/4" NPT - Part# 25-911-160
Aquatec 8800 series booster pump
Aquatec 8800 transformer
Aquatec 8800 auto shutoff switch
Aquatec flow restrictor/autoflush valve - this replaced the "regular/inline" flow restrictor
HTH.