Jimbo662 Posted October 18, 2012 Author Share Posted October 18, 2012 anyone have recommendations of slowly correcting? i was planning to remove a large cup full of tank water every half hour or so and let my ATO replace it with RO water. Quote Link to comment Share on other sites More sharing options...
jestep Posted October 18, 2012 Share Posted October 18, 2012 (edited) If you do 1 gallon at a time, and replace with pure Ro/Di, it will take 15 gallons to get down to 1.026. I would probably go this route with a gallon every 12 hours and save the water you remove for future water changes assuming it has decent parameters. http://www.hamzasree...getSalinity.php Edited October 18, 2012 by jestep Quote Link to comment Share on other sites More sharing options...
FarmerTy Posted October 18, 2012 Share Posted October 18, 2012 Does anything else look stressed in your tank? Fish or coral? If not, I'd do it over the course of a couple days. I'm sure decreasing the salinity in 12 hours probably won't really affect anything but if there is nothing rushing it, why push it. I know if I was used to 88 degrees and you suddenly turned down the thermostat to 72 and told me that was the new normal, I'd be freezing my tail off. I know the example concerns temperature and not salinity but you know what I am saying. Slow changes in this hobby is a good rule to stick by. -Ty Quote Link to comment Share on other sites More sharing options...
Jimbo662 Posted October 18, 2012 Author Share Posted October 18, 2012 yeah, i've started to notice now that a couple of snails aren't moving around much and the clove polyps aren't opening quite as much over the last few days. Quote Link to comment Share on other sites More sharing options...
jestep Posted October 19, 2012 Share Posted October 19, 2012 You may want to do a gallon every 6 hours. It's so high that I'm surprised anything is alive right now. I think you would be safe with that much considering where it's at. Or do a gallon every 6 until you get down to about 1.03 Quote Link to comment Share on other sites More sharing options...
Jimbo662 Posted October 21, 2012 Author Share Posted October 21, 2012 Could the high salinity be a factor in the high calcium? I got the Salifert test kit on Friday and go the same results...500+ Quote Link to comment Share on other sites More sharing options...
jestep Posted October 22, 2012 Share Posted October 22, 2012 Could the high salinity be a factor in the high calcium? I got the Salifert test kit on Friday and go the same results...500+ Since there is a measured amount of calcium in the salt mix, if you add more salt, the calcium would go up with it. If you use a ratio and you know the manufacturer rated Ca concentration in your salt mix you should be able to estimate where it would have been due to that. Let's say your salt mix Ca is 400ppm at 1.026 Sg, or 34.5ppt (just an arbitrary Ca amount per volume). If you increase the Sg to 1.044 or 58.1 ppt, your Ca would be near 675 ppm. So, your increase in Ca could definitely be directly attributed to the very high salinity, and given the circumstances I would definitely say it's the cause of it. Quote Link to comment Share on other sites More sharing options...
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