water bill?

Sure... thnk about 450-800 gallons of RO/DI water at a 98% rejection rate:lol: But my grass and garden don't seem to mind the waste water.
 
An RO that is used for heavy top offs and W/C might raise the bill a little, especially if its a crappy unit with a high waste/good ratio.
 
the thing is i share a house w/ a family of 6. the guy i rent from is my best friend and there his cousins. he owns the house. ime there probably all of 30hrs a week, they are saying because of my 125 gal i should py half the water bill. this is hilarious. i probably use about 20 gallons a week at the most. the bill is 80 they want me to py 40 no way thats going to happen.. a couple of months ago their bad kids spray painted my car and they havent made any attempts to rslv. i just wanted to run this buy u to see if ime crazyy, i had a house by myslf w/ an aquarium and my water bill was never over 30$ this is w/ showers and all.
 
only thing i can think of is maybe they think i have water hooked up to the tank or something. u know how people who have never had a reef tank get intimidated by the equipment. what 30 gallons a month in most states like 3$ or something on the water bill? ime curious?
 
http://www.tampagov.net/dept_water/conservation_education/Customers/Water_use_calculator.asp

No way is your tank adding $40/month to the water bill. My total bill is only $18/month and I have a 75g tank w110g sump. (2 people in an apartment wo dishwasher)
See the link above for a water use calculator.

If you have an RO/DI filter with a rejection rate of 95%. To produce 20 gallons, you are using a total of 400 gallons a month.

That is equivalent to an 80 minute shower with a normal shower head over a months time.

Or put another way, it is the same water consumption as one person taking a 2.5 minute shower each day. Even if you use 40 gallons a month, that is only a 5 minute shower per day.
Tell em to pound reef sand.
HTH,
Ken
 
thanks guys i had to run it by u to make sure i wasnt insane.. i should be moving shortly. ahh my own place again i cant wait.
 
<a href=showthread.php?s=&postid=10180389#post10180389 target=_blank>Originally posted</a> by Doahh
Guys that 98% rejection rate is the TDS rejection...
Waste water is generally about 1/4 or 1/2 good/bad

I'll have to measure it someday:) But with a TDS that soars to over 580 in the spring and looking at the jet out the waste and trickle out of the DI, I'm guessing it's pretty high:lol:
 
I produce about 1 gallon of RODI water for every 6 gallons of waste water or about 84% rejection. Although it has been a long time since I tested this so it may have changed.

I used 95% since I don't know what unit he has and I wanted to consider "worst case" scenarios.

Either way, the Water Use Calculator is very insightful in determining what activites contribute the most to the water bill.

While the RODI filter may increase the bill by $5-10/month, $40 is excessive for sure when considering normal topoffs/water changes on a 120g tank.
 
I'm in Acworth not far from Marietta, and my TDS going into my RO/DI is 30ppm, so you aren't wasting much water if your water is similar to mine. You waste more water in the shower than your tank is using, unless you do 50% water changes everyday. =P
 
<a href=showthread.php?s=&postid=10183882#post10183882 target=_blank>Originally posted</a> by MarineFishGuy
I produce about 1 gallon of RODI water for every 6 gallons of waste water or about 84% rejection. Although it has been a long time since I tested this so it may have changed.

I used 95% since I don't know what unit he has and I wanted to consider "worst case" scenarios.

Either way, the Water Use Calculator is very insightful in determining what activites contribute the most to the water bill.

While the RODI filter may increase the bill by $5-10/month, $40 is excessive for sure when considering normal topoffs/water changes on a 120g tank.

Thats not rejection rate. Rejection rate is something totally different. NO ONE has a 20-1 waste:product ratio. You're 6-1 is well outside the normal range of 2-4:1


Water is EXTREMELY cheap. I bet your tank isnt adding more than $1 a month.

Remember, a normal shower is 5g/min. So a 15 minute shower every day is 2200 gallons a month. You're using how much for your tank? 100?
 
Not to worried about our water bill, we use (what the water bill says about 30,000 gallons which is about $66 or so every 6 months (if i recall. Don't know how we use that much... Its the electricity we have to worry about, where i live they raised ours by 50%!
 
Even with 30 tanks in our house largest a 180 down to a 10gal. Our water bill is only $32. Right now with the water restrictions down here we go to LFS now for RO water (instead of doing our own) for SW tanks, planted tank and top off water for FW tanks (in between cleanings)... not paying $500 fine for going over 7800 gal per month..
 
yeah theres no way that you can be using that much water to make a large enough impact that it would actually matter
 
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