RODI

Blknovass

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Hello all ok so I am looking to add a RIDI system to my house. My LFS has goofed me over with bad water. So I figure if you something done right do it your self.

Niw with that being said I am looking to buy RODI unit I am seeing pricing of $1300 down to $90. I have a 60 gallon tank I do 5 gallon changes weekly and live just out side of Chicago. So I’m not using well water. Please come someone steal me in the correct direction on the right RODI system?

DD6A0A04-EF86-4F69-A479-FD791833E009.jpeg
 
You can buy a RODI system at Petco for not too much money, mine have them in stock. I am presuming you want one for just the fish? They aren't too expensive.
 
here is my write up on my $99 rodi after 5 years of use. I make 5-10gals weekly.


 
I have been studying the same thing. Check out BRS, Buckeye Hydro, Liquagen and AirWaterIce.
Buddie RO DI units are the cheapest way to go but they are non-standard filters and slow GPD. Everyone seems to be out of them. BRS is also out of the popular units.
 
Hello all ok so I am looking to add a RIDI system to my house. My LFS has goofed me over with bad water. So I figure if you something done right do it your self.

Niw with that being said I am looking to buy RODI unit I am seeing pricing of $1300 down to $90. I have a 60 gallon tank I do 5 gallon changes weekly and live just out side of Chicago. So I’m not using well water. Please come someone steal me in the correct direction on the right RODI system?

DD6A0A04-EF86-4F69-A479-FD791833E009.jpeg
I use the BRS 5 stage RODI the extra carbon filter gives me another layer of water security. I went with the watersaver/premium version 150gph. I have a 100g and a 30g nano and a few freshwater tanks. Depending on how you plan on storing saving the water a 75gph should be good enough for now.

Highly recommend you check out some of the RODI stations people have posted in this forum. Regardless of the brand you go with make sure you have a TDS meter and pressure gauge on the RODI system.
 
I ordered a Liquagen 5 stage RO/DI unit last week. I'm not sure how this stacks up to your needs but it's a 75 gal/day unit, was less expensive than the online Marine suppliers, had pretty good reviews and they had it in stock.

I also found out after the fact, that they are a sponser on Reef2Reef, so that was a pleasant surprise.
 
I use the BRS 5 stage RODI the extra carbon filter gives me another layer of water security. I went with the watersaver/premium version 150gph. I have a 100g and a 30g nano and a few freshwater tanks. Depending on how you plan on storing saving the water a 75gph should be good enough for now.

Highly recommend you check out some of the RODI stations people have posted in this forum. Regardless of the brand you go with make sure you have a TDS meter and pressure gauge on the RODI system.
Sorry to sound like a dummy here but what is a TDS meter?
 
My opinion don't get lost in the wash of brands. They are mostly related equal. The RODI unit is basically a plastic shell with interchangeable media. They all have similar look and function. Don't waste 1k on an RO system. That would be a waste of money.

I have a Spectrapure that works great. I attached a second membrane and a booster pump which nets me more water production and less water waste. I was 1 gallon of water for every 1 gallon created "1:1"

You needs may also depend on the TDS of your incoming water. I'm spoiled and only have 30 yds in the summer and 120 ish I'm the winter, when it city switched from well to processed water. BRS has a few good videos explaining RODI systems. In my opinion some of what they preach is overkill for my situation. But that's just me.

1. Know your TDS. Buy a cheap TDS pen and check. High TDS means you may need a second DI stage.

2. Determine your space needs and your water production needs. 75 GPD may be fine for your situation.

3. Find any unit that fills those needs and purchase it. Something with a DI resin is preferred for the hobby.

Good luck.


 
Today your only needing 10G a week tomorrow could be more.

I recommend at a minimum a 4 stage.
It is more cost effective to have a 7 stage and you will be set for life no matter how big you go in the future.

I have said many times regarding RO/DI systems.
This is the one of the most important pieces of equipment you will ever need for a reef tank. Without pure water your in for trouble.
Yes you can skimp on this or that but not the RO/DI.

BRS currently has 97, 7 stage units at $340.00. I just checked.
Comes with everything you need to make quality water, for the rest of your reefing hobby.
 
Sorry to sound like a dummy here but what is a TDS meter?
No worries I had the same exact question when I started the process TDS stands for total dissolved solids. Just to summarize "Primary sources for TDS in receiving waters are agricultural runoff and residential (urban) runoff, clay-rich mountain waters, leaching of soil contamination, and point source water pollution discharge from industrial or sewage treatment" If you want to get scientific with it here's the wiki I pulled the info from. the RODI will help to reduce or eliminate TDS in your water.
 
No worries I had the same exact question when I started the process TDS stands for total dissolved solids. Just to summarize "Primary sources for TDS in receiving waters are agricultural runoff and residential (urban) runoff, clay-rich mountain waters, leaching of soil contamination, and point source water pollution discharge from industrial or sewage treatment" If you want to get scientific with it here's the wiki I pulled the info from. the RODI will help to reduce or eliminate TDS in your water.
Awesome thank you very much.
 
Ok so I can’t thank everyone enough here but all of this info leads me one more direction. Once I have the system how do I know to replace the cartridges is it from the tds meter?
 

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