First time RODI question

[jmatt]

I decided to break in my new BRS 4-stage 150/day RODI system (with pump at 78 psi) today.

I have both the RODI water and the waste water going to Brute cans, and I'm noticing that it appears to be generating each in equal quantities. Does this sound about right?

But I'm more curious about the DI canister; it's only filling up about 25% of the way. Is this normal? The first three stages are full.

 

[Woodyman]

I decided to break in my new BRS 4-stage 150/day RODI system (with pump at 78 psi) today.

I have both the RODI water and the waste water going to Brute cans, and I'm noticing that it appears to be generating each in equal quantities. Does this sound about right?

But I'm more curious about the DI canister; it's only filling up about 25% of the way. Is this normal? The first three stages are full.

If that BRS system is a 1:1 then yes. I didn't think BRS systems were 1:1, I thought they were closer to 2:1 or 3:1. I'll have to check on the site for you.

For the DI canister - yes that is normal, nothing to be worried or concerned over.

 

[Woodyman]

If that BRS system is a 1:1 then yes. I didn't think BRS systems were 1:1, I thought they were closer to 2:1 or 3:1. I'll have to check on the site for you.

For the DI canister - yes that is normal, nothing to be worried or concerned over.

https://www.bulkreefsupply.com/4-stage-value-150-gpd-water-saver-ro-di-system-bulk-reef-supply.html
This the one?

 

[Woodyman]

https://www.bulkreefsupply.com/4-stage-value-150-gpd-water-saver-ro-di-system-bulk-reef-supply.html
This the one?

If that's it BRS states it as 1.5:1

So they should be relatively equal, as they fill more you should notice one taking the lead. Pressure and quality of your water will account for changes to the given ratio as well.

Also if you are running at 78 PSI currently, you could adjust your pump to 85-90, for better performance. 78 is fine as well, but it is also safe to go up higher if you wish.

 

[jmatt]

My apologies, it's a 5-stage "water saver" model, so perhaps it's appropriate that the wast6e and RODI are approximately equal.

 

[jmatt]

For the DI canister - yes that is normal, nothing to be worried or concerned over.

Many thanks for your quick (and multiple!) responses. The DI canister had me concerned.

 

[Woodyman]

My apologies, it's a 5-stage "water saver" model.

I looked at the 5 stage and it also states 1.5:1

 

[ScubaFish802]

Many thanks for your quick (and multiple!) responses. The DI canister had me concerned.

I have the version 1 step down (100gpd) and I've never seen it fill the DI canister more than 35-40%. That sounds normal to me

 

[Buckeye Hydro Verified Sponsor]

Guys... ANY ro or rodi system can be made to run at any waste to purified ratio you'd like. There's no magic here. You can simply change out the $4 flow restrictor. BUT: beware of any vendor that sells a "low waste water" set up without knowing your water chemistry. The proverbial 4:1 ratio was developed for a good reason.