RO/DI Units

anthias · 11-25-2006, 11:33 AM

I have three stage fillter now do you think the 4 stage filter better(Reverse Osmosis Deionization (RODI) )

**leebca** · 11-25-2006, 11:47 AM

If you're sticking with a fish-only system, this should be sufficient, providing the water being treated is 'normal.' If the water being treated is 'hard' or contains many problem constituents, it may need one or more 'pre-filters' to remove or reduce the concentration of these.

RO/DI units can be assembled up to and including 9 stages. I've seen them at 9. I assume they can even be more. But for a fish-only system, such units are an overkill unless the water being treated is greatly contaminated.

anthias · 11-25-2006, 12:17 PM

thanks lee
my tank is fish with live rocks and my future plan to have a reef tank ( mybe after one year )
I m doing my first Q process now

11-25-2006, 11:33 AM	#1
anthias Citizen Join Date: Oct 2006 Location: UAE Posts: 126	I have three stage fillter now do you think the 4 stage filter better(Reverse Osmosis Deionization (RODI) ) Last edited by anthias; 11-25-2006 at 12:11 PM.

11-25-2006, 11:47 AM	#2
leebca Moderator - LEE Join Date: May 2006 Location: So CA Posts: 2,242	If you're sticking with a fish-only system, this should be sufficient, providing the water being treated is 'normal.' If the water being treated is 'hard' or contains many problem constituents, it may need one or more 'pre-filters' to remove or reduce the concentration of these. RO/DI units can be assembled up to and including 9 stages. I've seen them at 9. I assume they can even be more. But for a fish-only system, such units are an overkill unless the water being treated is greatly contaminated. __________________ LEE Post your fish care and health questions on the Reefland MARINE FISH: CARE, HEALTH AND DISEASE TREATMENT Forum.

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11-25-2006, 12:17 PM	#3
anthias Citizen Join Date: Oct 2006 Location: UAE Posts: 126	thanks lee my tank is fish with live rocks and my future plan to have a reef tank ( mybe after one year ) I m doing my first Q process now

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