Dosing and RODI with freshwater

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Joshuakahan

Potamotrygon
MFK Member
Jul 9, 2019
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I’m just asking out of curiosity, but while I was tinkering with my reef today I wondered this. Why don’t people use RODI and dosing systems with freshwater when the fish they want/have doesn’t match their local water?
I know people will use buffering agents etc.. but I mean the actual system that releases a certain does of whatever at constant rate.
 
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as tinkering with my reef today I wondered this. Why don’t people use RODI and dosing systems with freshwater when the fish they want/have doesn’t match their local water
I believe most will say the cost of such systems and I've read they waste water so it wouldn't benefit me. My family runs water all day 😆.
 
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I’m just asking out of curiosity, but while I was tinkering with my reef today I wondered this. Why don’t people use RODI and dosing systems with freshwater when the fish they want/have doesn’t match their local water?
I know people will use buffering agents etc.. but I mean the actual system that releases a certain does of whatever at constant rate.
A large number of apisto keepers, at least that I know of, tend to use RO/DI for their fish; actually a bit surprised that not many keepers on here apparently use it, as it's a fairly convenient and moderately expensive means of getting decent water, especially for fish from blackwater habitats and whatnot. Haven't invested in one yet, but it seems very much worth it if one lives in an area with heavily mineralised tap water and wishes to keep fish that require low TDS. My LFS sells RO/DI water in mass quantities, and surprisingly enough, people buy the stuff pretty regularly.
I don't dabble in reef much at all, but from what I hear, RO/DI is a very common "base water" (?) for formulating saltwater or something of that sort.
 
I run RO water for my reef tank but considering that’s 180ukg, taking into consideration that the ro costs me nothing to run (other than a replacement filter every now and again), it takes about 6hrs to get me enough water to do 18ukg (a 10% change)
Now to do even a 10% water change on my freshwater I would need roughly 200 ukg so about 66 hrs of runningRO water and having enough containers for 200ukg and being around to keep changing them over.
I think inconvenience is my big issue - along with qty.
 
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I run RO water for my reef tank but considering that’s 180ukg, taking into consideration that the ro costs me nothing to run (other than a replacement filter every now and again), it takes about 6hrs to get me enough water to do 18ukg (a 10% change)
Now to do even a 10% water change on my freshwater I would need roughly 200 ukg so about 66 hrs of runningRO water and having enough containers for 200ukg and being around to keep changing them over.
I think inconvenience is my big issue - along with qty.
That makes sense, especially considering it seems that reefs require much smaller and less frequent WCs than fresh. I just had to cut way back on my reef maintenance, I was was reading zeros across the board lol
 
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I run RO water for my reef tank but considering that’s 180ukg, taking into consideration that the ro costs me nothing to run (other than a replacement filter every now and again), it takes about 6hrs to get me enough water to do 18ukg (a 10% change)
Now to do even a 10% water change on my freshwater I would need roughly 200 ukg so about 66 hrs of runningRO water and having enough containers for 200ukg and being around to keep changing them over.
I think inconvenience is my big issue - along with qty.
Off topic but do you know what type of coral this is? I forgot to get the name when i got it lol

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Off topic but do you know what type of coral this is? I forgot to get the name when i got it lol
Hard to tell from the photos but looks like an LPS called green Cyphestraea. But it could be a favites favia or acan, all can look very similar (to me) . Someone who keeps none soft corals should be able to advise better.
 
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