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RO Booster Pump - Why?

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URL: http://www.utahreefs.com/forum/forum_posts.asp?TID=74358
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Topic: RO Booster Pump - Why?
Posted By: Mark Peterson
Subject: RO Booster Pump - Why?
Date Posted: January 12 2015 at 9:49am
Marine Depot just posted in the commercial section Why you "need" a booster pump. Really? Wacko
I don't think so.
From what I learned in a tour of the SLC Water Reclamation facility, I believe we actually are doing the sewer system a favor by sending RO waste water down the drain. The sewer system needs that water to do it's job, not only to help the sludge make it's way to the facility, but to help dilute the sludge to assist with the bacterial process. I learned that extra water is needed and added by the facility at points in the process.
Assuming I'm correct about this, the use of a booster pump also wastes electricity and our $$.


Aloha,
Mark  Hug


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Replies:
Posted By: Molli
Date Posted: January 12 2015 at 11:08am
LOLOL Great way to rationalize putting perfectly good water right down the drain, particularly in a high desert environment.


Posted By: Marcoss
Date Posted: January 12 2015 at 11:14am
I need one in my home as my pressure is so low. It comes out at about 35 PSI and I want to use the booster pump to take it to about 80 PSI.

It will produce more efficiently for me.


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RedSea Max S400 - 90G Rimless Frag Tanks x2 - 185 Lookdown Bin


Posted By: LaRue
Date Posted: January 12 2015 at 11:38am
Marcos have you checked the pressure regulator on your main coming into your house 3 psi is about where the manufacturer sets the regulators when they are tested at the factory?


Posted By: millsu2
Date Posted: January 12 2015 at 11:41am
For those of us who are unlucky enough to have low water pressure in your house (less than 40 PSI) a booster pump is a must. Without it the production is slow and TDS in the produced water is higher.

As far as adding water to the sewer I am fine with letting the facility control that since they know when the water is needed and when it isn't. If I add it when it isn't needed, then it is just wasted. I have to pay for that wasted water, thus wasting my money. For me water is a more precious resource than electricity. Also, the electrical cost is low. If it is used for 10 hours per week it would use an estimated .50-.70 kWh which would only cost 7-9 cents or less than $5 per year.

I originally had 80 PSI in my house and that was great. I moved to a condo with 40-50 PSI and that was OK, although production seemed slow. I don't remember the actual production rate or if the final TDS was any different. I moved again to a house with 35 PSI and production was excessively slow. It took ~8 hours to get 6 gallons and the TDS was fairly high at ~40. I added a booster pump and now it is back to over 80 PSI and it takes less than 2 hours to get 6 gallons. It is really loud, though, probably because I have it mounted directly to the wall studs in my utility room in the center of my basement amplifying it through my house.

Anyway, my conclusion is that a booster pump is necessary if you have low incoming water pressure. Otherwise it will increase production and may decrease waste but probably isn't worth the cost of the pump. The running cost is low, though, so if you want your water a little faster, and/or to waste less water, and are willing to buy the pump then go ahead.


Posted By: Marcoss
Date Posted: January 12 2015 at 11:46am
Hello LaRue,

Thanks for the message. I have not; I'm not super handy/knowledgeable when it comes to that kind of stuff. Is it something I can adjust without any tools? I worry if I turn it to high I could rupture all kinds of things.

Thanks!

Marcos



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RedSea Max S400 - 90G Rimless Frag Tanks x2 - 185 Lookdown Bin


Posted By: LaRue
Date Posted: January 12 2015 at 11:52am
All it takes is a plain tip screwdriver it is usually right after the water shut off inside your house turn on your ro unit and turn the screw on the side of the regulator until the pressure Guage on the ro unit reaches about 60 psi at 60 psi you won't damage anything.


Posted By: millsu2
Date Posted: January 12 2015 at 11:57am
If you have low pressure, definitely check if you have a regulator and if you do try adjusting it. I think it is required by code in newer homes. It seems that most older homes do not have one. If you have one it will be a bell shaped thing with a screw at the top and it will usually be located just after the main shutoff valve in your house.

I tried adjusting my regulator when I moved in. Unfortunately for me the incoming pressure to the regulator is already low so I can't increase it without a booster. I have even thought about installing a whole house booster since I am use to having nice high pressure showers. I guess I am saving water now, so that is good. 


Posted By: Jeremyw
Date Posted: January 12 2015 at 12:00pm
I need a booster. I have extremely low pressure as well. I too have tried to adjust mine but alas its just slow, called the city and they said yes we have low pressure... and get over it. 

So this is awesome and needed in some homes! 

J


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Posted By: millsu2
Date Posted: January 12 2015 at 12:07pm
Also, when adjusting the regulator there is probably a locknut that has to be loosened before turning the screw. Once you are done adjusting it, be sure to re-tighten the lock nut.

There may be exceptions, but for most regulators turn the screw clockwise to tighten it and increase the pressure, or turn it counterclockwise to decrease the pressure.


Posted By: Marcoss
Date Posted: January 12 2015 at 7:00pm
Originally posted by LaRue LaRue wrote:

All it takes is a plain tip screwdriver it is usually right after the water shut off inside your house turn on your ro unit and turn the screw on the side of the regulator until the pressure Guage on the ro unit reaches about 60 psi at 60 psi you won't damage anything.

Thank you for the info! I will tinker around with this when I get home. It could save me $150!

Thanks again!

Marcos



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RedSea Max S400 - 90G Rimless Frag Tanks x2 - 185 Lookdown Bin


Posted By: Marcoss
Date Posted: January 12 2015 at 7:02pm
Originally posted by millsu2 millsu2 wrote:

Also, when adjusting the regulator there is probably a locknut that has to be loosened before turning the screw. Once you are done adjusting it, be sure to re-tighten the lock nut.

There may be exceptions, but for most regulators turn the screw clockwise to tighten it and increase the pressure, or turn it counterclockwise to decrease the pressure.

Oh thanks for that. If I don't return in a couple of days I've blown up the house. Ouch

Thanks!

Marcos



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RedSea Max S400 - 90G Rimless Frag Tanks x2 - 185 Lookdown Bin


Posted By: Mark Peterson
Date Posted: January 12 2015 at 7:10pm
Yes, clockwise turns of that adjusting screw actually increases the pressure. Certainly it is a "need" where water pressure is low.

I used to think the same as Molli, so I started recommending an awesome system that doesn't waste any water. It's called Kold-Steril by   http://www.polybiomarine.com/" rel="nofollow - http://www.polybiomarine.com/  It is awesome and though it sells for About $300 from companies, it can be put together as a DIY for about the same cost as an RO unit. I set up several of these for different hobbyists. Shortly after that I took toured the waste treatment plant. They spoke of how they add 1000's of gallons/batch to the front end of the human waste bio-filtration process. I then realized that the waste water we send down our drains is not wasted.

Aloha  Hug


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Posted By: Adam Blundell
Date Posted: January 13 2015 at 5:47pm
Originally posted by Mark Peterson Mark Peterson wrote:

From what I learned in a tour of the SLC Water Reclamation facility, I believe we actually are doing the sewer system a favor by sending RO waste water down the drain. The sewer system needs that water to do it's job, not only to help the sludge make it's way to the facility, but to help dilute the sludge to assist with the bacterial process. I learned that extra water is needed and added by the facility at points in the process.


We already had this conversation.  It was exactly 5 years ago.  I know people tell me I have the memory of an elephant.  Hold on....

Adam



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Posted By: Adam Blundell
Date Posted: January 13 2015 at 5:51pm
Sorry for the delay.  I finally spoke with Dal Wayment from the South Davis Sewer District (Manager).
 
1) He says they never have to add water during the treatment.  He clearly stated we should be looking to save water, as it really is wasted once it goes down the drain.  So running your RO line out to the garden is a good use for it. 
 
2) For the water that does go down the drain, it is surely insignificant compared to the tens of thousands of gallons they get per day.  He wasn't at all concerned.
 
3) The real water they don't want is your salt water.  In order for them to process the waste they must filter the water to a certain level of TDS.  Our salt water going down the drain just makes their job more difficult.  Then again he didn't have any good alternatives on what to do with our old salt water.
 
Adam


I found that on this thread...
http://utahreefs.com/forum/forum_posts.asp?TID=30743

My take is that for water changes and what not, put the saltwater on the street and let it evaporate.  There are concerns with that as well... but water down the sewer still seems worse.  Then again, most people dump their water down the toilet, which is also acceptable.  Also, as far as wasting water, if your house is using more than 40,000 gallons per month you may want to look into what you are using and wasting.  Some cities will come out to your house to check and make sure you don't have a leaky toilet or hose.  You can literally waste tens of thousands of gallons that way every month.

For freshwater tanks... that water is meant for the garden.

Adam



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Come to a meeting, they�re fun!


Posted By: ReefdUp
Date Posted: January 13 2015 at 9:48pm
I'll trade some of my high pressure... My unit regularly sees 85+++ (hit over 100 yesterday). And yes, we've had ruptures...need to get this fixed...

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200g, 75g, & 15g Systems
PADI Advanced Open Water


Posted By: Mark Peterson
Date Posted: January 14 2015 at 9:31am
I stand corrected. Thanks Adam. This is a good discussion.




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Pay it forward - become a paid WMAS member


Posted By: Shane H
Date Posted: January 14 2015 at 11:00am
Regarding discarded SW ...

I had a conversation with an employee of the waste treatment facility in Brigham City a few years ago and asked him if it affected anything (my putting a few hundred gallons a year down the toilet).  He chuckled and said I clearly didn't understand the volume of water and waste they process daily and that my small amount of salt water would have zero effect on their processes.

Coincidentally, he also came to my house during the Reef Tour that year.  That will give some of you an idea of when I talked to him.


Posted By: Marcoss
Date Posted: January 14 2015 at 11:02am
Originally posted by Shane H Shane H wrote:

Regarding discarded SW ...

I had a conversation with an employee of the waste treatment facility in Brigham City a few years ago and asked him if it affected anything (my putting a few hundred gallons a year down the toilet).  He chuckled and said I clearly didn't understand the volume of water and waste they process daily and that my small amount of salt water would have zero effect on their processes.

Coincidentally, he also came to my house during the Reef Tour that year.  That will give some of you an idea of when I talked to him.

I have the worst kind of pets, puppies. One is being potty trained, and lets just say we are constantly doing laundry from stuff she pees/poops on and all the toiler paper we flush. She is way more wasteful than a 70G and she be barely weighs 20 lb. 

I think the tank I have is the most water saving thing I have in the house, next to not showering.  Big smile


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RedSea Max S400 - 90G Rimless Frag Tanks x2 - 185 Lookdown Bin


Posted By: Pete Moss
Date Posted: January 14 2015 at 1:46pm
Originally posted by Marcoss Marcoss wrote:

I think the tank I have is the most water saving thing I have in the house, next to not showering.  Big smile

Think of a shower like a water change in your reef. HIGHLY RECOMMENDED.


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Down South: Jerry ( Reef On 801-563-0600 )

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Posted By: Marcoss
Date Posted: January 14 2015 at 8:15pm
Originally posted by Pete Moss Pete Moss wrote:

Originally posted by Marcoss Marcoss wrote:

I think the tank I have is the most water saving thing I have in the house, next to not showering.  Big smile

Think of a shower like a water change in your reef. HIGHLY RECOMMENDED.

Hahaha! 


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RedSea Max S400 - 90G Rimless Frag Tanks x2 - 185 Lookdown Bin



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