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  #1  
Old 01/06/2008, 05:51 PM
The Saltman The Saltman is offline
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How long can you store made up Saltwater?

Hi guys,

In a properly sealed container such as a brute garbage can that is sealed, how long can it be stored? On the same question, how long can you store RO/DI water?
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  #2  
Old 01/06/2008, 05:57 PM
Skipper Skipper is offline
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IMO, there is no limit to either.
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  #3  
Old 01/06/2008, 05:57 PM
DEXNC DEXNC is offline
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I have kept mines up to two weeks in a brute trash can with a small power head for circulation, I guess the main thing is that there is movement of the water.
  #4  
Old 01/06/2008, 06:11 PM
The Saltman The Saltman is offline
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So as long as I have a powerhead for water movement, both should be alright for any period of time?
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  #5  
Old 01/06/2008, 06:13 PM
Skipper Skipper is offline
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IMO, they will both be fine even without a powerhead. Just make sure to mix up the saltwater with a powerhead before using it.
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Old 01/06/2008, 07:17 PM
gary faulkner gary faulkner is offline
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Quote:
Originally posted by Skipper
IMO, they will both be fine even without a powerhead. Just make sure to mix up the saltwater with a powerhead before using it.


X 2
  #7  
Old 01/06/2008, 07:51 PM
AquaReeferMan AquaReeferMan is offline
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Ive kept mixed saltwater in a trashcan for over 2 weeks before. It wont go bad. Just make sure there is a lid over it so nothing gets in there.
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  #8  
Old 01/06/2008, 08:06 PM
stevelkaneval stevelkaneval is offline
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salt water will store indefinatly. you dont need a power head. all you have to do is make sure its not exposed to any light. no light is the key. you can buy premade salt water from some fish stores and they are usually at least 4-6 monthes old before they hit the shelves (I work part time at a lfs) and they dont come with a powerhead, and you dont have to shake the water.
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  #9  
Old 01/06/2008, 08:07 PM
stevelkaneval stevelkaneval is offline
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there is nothing live in the water so nothing rots ie no need for water movement.
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  #10  
Old 01/06/2008, 08:08 PM
Kaos Kaos is offline
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I never fully exhaust my SW. I have a 5gal. bucket (w/ a MJ1200 and Ebo 150w) full of SW for w/c's. Since I only do 1 gal. a w/c I never use all the pre-mixed SW. I've been doing this for almost a year now w/ no ill effects. I don't know that there is an experation time for pre-mixed Sw as long as it's circulated. I would think RO water would not go bad either as long as it's stored in a sealed container. But, that's JMO.
  #11  
Old 01/06/2008, 08:22 PM
30reef 30reef is offline
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If all of the ratios are near NSW levels, synthetic sw can be stored indefinitely. It will only precipitate if ratios are screwy.
RO/DI is another matter though. Bacteria can grow in it if the container is not sterile. RO/DI does not have any chlorine or other chemicals to inhibit microorganism growth. I notice this in our dogs water dish, it gets gunky much faster when we fill it with RO vs tap water.
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  #12  
Old 01/06/2008, 08:37 PM
vanmo92 vanmo92 is offline
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I have kept both kinds for over 1 month with out any affects. I would not have a problem storing either for very long periods of time (as long as it is sealed and there in minimal light).
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  #13  
Old 01/06/2008, 09:02 PM
snorvich snorvich is offline
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I keep 220 gallons of extra saltwater which is pump circulated and heated to within one degree of tank water. I have two additional reservoirs of RO/DI water that are being gradually used constantly.
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  #14  
Old 01/06/2008, 09:12 PM
plummike plummike is offline
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I keep an air stone in mine to keep the salt water oxygenated
  #15  
Old 01/08/2008, 12:21 PM
stevedola stevedola is offline
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question

I keep my salt water heated with a pump to move water. The heater was unplugged by my motherinlaw and nver plugged back in. the water obviously dropped in temp.

Is it ok to bring it back to temp and use? that shouldnt make a difference right? I dont think so but want to double check.
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Old 01/08/2008, 01:02 PM
rjrobert rjrobert is offline
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I think you should be ok, If anything the drop in water temperature slowed the growth of anything that was in the container. But this is just my oppinion.
  #17  
Old 01/08/2008, 01:26 PM
stevedola stevedola is offline
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well there was only fresh RODI H2O and IO salt with ESV Mag run by a quiet1 3000 and heater...no live organisms I introduced.
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  #18  
Old 01/08/2008, 01:29 PM
miston miston is offline
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Last night I mixed up 12 gallons of saltwater and put them into 1 gallon water containers. I put them into my walkin closet, so no light will get to them.

One thing I noticed is that my Rubbermaid container is leaching something into the water. My RO/DI comes out zero PPM. When I filled it up it tested zero PPM again. However I was sort of lazy with mixing it up. After day one the RO/DI tested 1 PPM, a day later 2 PPM, then almost 3 and 4 PPM. I even covered it to make sure nothing was getting in.

SO I dumped that water and filled it up again and put the salt in right then.

Since I only have a 12 gallon I can change 2 gallons a week for the next six weeks QUICK as a snake!
  #19  
Old 01/08/2008, 03:18 PM
rjrobert rjrobert is offline
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It's common and you should expect to have leaching of a container into the RO/DI. My Rubbermaid seams to leach about 14TDS in a week. If that bothers you then you can get special lab and or some food liquid holding containers to reduce the leaching.
  #20  
Old 01/09/2008, 12:45 PM
30reef 30reef is offline
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Yeah, get the white containers made from HDPE (high density polyethylene). They are food grade and inert. I think white 5g buckets from HD are HDPE, and you can get the lids also. They stack well too.
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  #21  
Old 01/09/2008, 12:56 PM
jbarone jbarone is offline
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Quote:
Originally posted by rjrobert
It's common and you should expect to have leaching of a container into the RO/DI. My Rubbermaid seams to leach about 14TDS in a week. If that bothers you then you can get special lab and or some food liquid holding containers to reduce the leaching.
Interesting? What type of rubbermaid are you using? My brute leaches nothing in to my RO/DI ever. Has the container ever been used for something other than water storage?
  #22  
Old 01/09/2008, 02:20 PM
rjrobert rjrobert is offline
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jbarone, I'm also using brutes. Never been used for anything but salt water. They get washed everytime their used to rinse out any salt from the previous batch. I have heard and read many times where the leaching will occur. Sounds like you got a special batch Who knows maybe Lowes used mine to hold something before they sold em... You just never know.
 

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