Checkitout
Active Member
How often should I do a water change on a heavly stocked 105g tank.
Water CHanges
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What kind of equipment are you running? Skimmer, fuge, scrubber, etc.?
OP
OP
Checkitout
Active Member
AquaC 240, 25g refugium, 2 filter socks
Alpha Aquaculture
Designer Clownfish Hatchery
your corals will probably do good with a weekly change. It not only dilutes any potential toxins, it adds elements that might be used up by the corals and helps bring the system closer to natural saltwater.
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OP
OP
Checkitout
Active Member
With the equipment I described, should that help out or should I update my skimmer or something else.
+1 I'm sure if you had other options beyond those two you would find out that there are people with that water volume that do water changes monthly, bi-monthly or even longer and run successful tanks. I won't mention my schedule for my 105 system water volume or it will throw the average waaaaay off...:xd: Of course people that don't do WC's that often dose more.
CoralBandit
Well-Known Member
I think it depends on practicality as well, if you have time to do them once a week by all means that would be better but make sure its consistently done every week. If your doing every other week then do it a month later then a week later it will just cause problems. so just as for everything else consistency is key. Corals dont like changing environments 
There is an article in thereeftank.com about water changes and they tested a bunch of different parameters to see what kept the ionic environment the most consistent and the best option is to do 2-3 gallons everyother day or a gallon a day was even better (for a 100gal tank) which if you think about it only takes you 5 minutes if you have a saltwater vat. I have yet to see a tank of the month were they dont do water changes and the best tanks I have seen change it constantly (they may exist I have not looked at them all so sorry if im wrong).
There is an article in thereeftank.com about water changes and they tested a bunch of different parameters to see what kept the ionic environment the most consistent and the best option is to do 2-3 gallons everyother day or a gallon a day was even better (for a 100gal tank) which if you think about it only takes you 5 minutes if you have a saltwater vat. I have yet to see a tank of the month were they dont do water changes and the best tanks I have seen change it constantly (they may exist I have not looked at them all so sorry if im wrong).
I do a 25% water change every week.
stedfast82
Well-Known Member
20 gal a week on 110 +40 sump
I was doing 30gal/25% every 2 weeks, for about 2 years, then went to every 4 weeks, now I am doing 3qts a day, just starting that so have no info to give on how that is workingb but here is a good read and look at the graphs.
Water Changes in Reef Aquaria by Randy Holmes-Farley - Reefkeeping.com
Water Changes in Reef Aquaria by Randy Holmes-Farley - Reefkeeping.com
I do 1quart a day on my 20G. My 40B hasn't needed one yet :xd:
CoralBandit
Well-Known Member
I am confused? But I have just on this for about 2 weeks, but I will post an attachment to show the graphs on less more often is better as far as less change at once but the same results. First here is a link to save for almost al answers, the second one is part of that link but more to your question!!!
Reef Chemistry Articles - Reef Central Online Community Archives
Water Changes in Reef Aquaria by Randy Holmes-Farley - Reefkeeping.com
Reef Chemistry Articles - Reef Central Online Community Archives
Water Changes in Reef Aquaria by Randy Holmes-Farley - Reefkeeping.com
