How do I add a DI filter to an RO system?

[Rick's Reefing Adventures]

Hello,
I’m working on upgrading my 3 step RO system. I noticed a lot of waste water so I added a pressure gauge and a inline TDS meter and noticed I only get 30PSI and a stable TDS of 4. I’ve ordered a booster pump, but I would also like to get 0TDS. I’m going to order a DI filter but I’m not sure how to hook it up.

I got this simple system:



And I want to add this:



Where do I implement this?

 

[Doctorgori]

Single DI Canister

 

[Rick's Reefing Adventures]

Single DI Canister

Apparently my pictures didn’t load. I’ve edited my thread.

 

[Doctorgori]

Apparently my pictures didn’t load. I’ve edited my thread.

Yeah I didnt see any pics, Sorry about that,
But while its a different format, nothing stopping you from feeding the line into the canister…
A lil visually clunky, but same difference

 

[Rick's Reefing Adventures]

Yeah I didnt see any pics, Sorry about that,
But while its a different format, nothing stopping you from feeding the line into the canister…
A lil visually clunky, but same difference

True, but where do I put it haha. Like at the start, middle or end.

 

[KStatefan]

The DI will be your last filter.