No water change in 13 months

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Hi guys due to financial difficulties I wasn't able to do my monthly water changes like I should, in fact nothing at all for 13 months now. I thought I was going to loose all my corals and was prepared to start selling them if they started to look sad. But they did not in fact they grew and I now have a pest of pulsating xenias and orange mushrooms. Candy cane also got 3 new heads and pin cushion split into 2. It is only the green star polyps that didn't make it they vanished rather quickly! Is it because I have rather hardy corals or will they start dying in the future?? I dosed nothing only fed my fish for the last 13 months. If things stay this way I am not going to do water changes unless something change.
 
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I have read a bit about trace elements but as I understand you can not test strontium but you must dose it? What do you test for and dose?
 
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I have read a bit about trace elements but as I understand you can not test strontium but you must dose it? What do you test for and dose?
Surely it would cost you more in supplements than salt water
 

butcherman

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I don't do water changes as water changes can simply not keep up with the demands of a SPS dominated tank.
I run bio cubes to export nutrients. Also add CA kh and mg as needed. Along with reef xtrax cubes for trace elements. I sporadically add Fe I and K.

So far I haven't done a water change in 24 months.
 

RiaanP

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@Radies
do you have any hard skeleton corals?

Softies do not build up a skeleton structure and do not need that much extra calcium. So yes, possible with a softy system.
 
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Most of the coral you mention are easy to keep and very forgiving ,often doing well in higher nutrient systems . I do water changes (salt) often because of the small size of my tank and the lack of a skimmer and sump . if you understand water parameters and trace elements (it is impossible to measure,test or dose all of them) im pretty sure you can maintain your tank for a couple of years with out doing water changes , i think that the more experienced guys running dedicated systems should explain there setup and maintenance/dosing regime very carefully , so newer guys understand why you are doing so few if any , i know it sounds simple but new guys are like sponges they pick a "on line guide" and try follow exactly what they do cause they like the look of that specific tank
 
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Just a question for the guys that doesnt do waterchanges.....don't the water become yelowish after a while? How do you manage that if it become yellowish?
 
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i run maxi zorb carbon in a small reactor , keeps my water nicely polished
 

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