RO water question

Lunatuck

Established Member
IMO under 5 is fine for almost anything you can think of.

Reefkeeping and labwork require 0.

I’ve heard it argued that 0 TDS RO/DI can strip nutrients out of whatever is drinking it. So I removed my DI.

But, you’ll be replacing the filters soon. Buy them for when it rises a couple more points.
 

Rst_Cham

Chameleon Enthusiast
IMO under 5 is fine for almost anything you can think of.

Reefkeeping and labwork require 0.

I’ve heard it argued that 0 TDS RO/DI can strip nutrients out of whatever is drinking it. So I removed my DI.

But, you’ll be replacing the filters soon. Buy them for when it rises a couple more points.
OK great, thank you! I've bought both filters already, i just need to buy the membrane.
 

Lunatuck

Established Member
For the carbon and micron filters, change them when the appear dirty (I let mine get pretty dirty). The membrane is the one that you use TDS to determine it's health.
 
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