DR G's RO Unit

[Rleefort]

I bought my sytem on craigs list and got a DR G's RO unit. It has 3 canisters on the bottom and 3 on top. Trying to figure out what each cartridge is.

 

[Reefing Madness]

Sediment Filter
Carbon Block
Ammonia Block
Catalytic Carbon Block
DI Cartridge
RO Membrane
If they are still DR G cartriges

 

[Rleefort]

This is how it looks to be set up
Sediment
Carbon
not sure
RO Membrane
black material in clear cartridge
brown material in clean cartridge
Says unti id double DI

 

[Reefing Madness]

Im just going off their 6 stage system info.

 

[Rleefort]

Thanks for the input. Since their office is just around the corner I will call or go see them. Again thanks