What corals cannot tolerate exposure to air (up to a couple or few hours) when performing water changes?
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Why do water changes take that long? But anyways most should be fine. I would turn lights off and keep them damp. This is pretty natural for lots of corals actually and I have had even some LPS survive being left out on the counter for a few hours.What corals cannot tolerate exposure to air (up to a couple or few hours) when performing water changes?
Last time I did that (about an hour), it survived but was angry at me and didn't open up for over a week. Definitely stunted it's growth substantially.LPS survive being left out on the counter for a few hours.
My tank is two feet deep. I do a 25-30% water change weekly. The water level is down at least 30% because a lot drains into the sump when the power is off. The level isn't at its lowest for the duration of the change, but it takes time to siphon out old water and there's always a couple hour delay to get the last 10 gallons in because I have only so much capacity to premix and aerate new water and then restart the pump. I've never exposed corals - yet. But I'd like to place some closer to the surface if there are any that could tolerate it. I think some corals are exposed at low tide in the wild.If we were talking a few minutes, almost all can handle that.
If it's gonna be hours, pretty much any coral will have some lasting damage or die outright.
Why do you need so long to do a water change. This is a task that shouldn't take more than like 10-15 minutes.
I change water weekly. I can't do more often than that. And I do premix and pre-aerate most of my water, but I don't have the capacity to pre-aerate the last 10 gallons, so there is a delay in getting the pump restarted. The sump sucks down extra water from the DT as long as the pump is off. It would be a lot easier on ME if changes didn't take so long but it's hard to know where to cut corners. I'm just asking for advice before I do something stupid.That's going to annoy pretty much any coral, but depending on what "a few hours" means, some of them should be fine. Heck, some corals can survive being imported in nothing but wet newspaper. Draping wet paper towels over them will help.
Water changes shouldn't be taking that long. For one thing, smaller, more frequent changes are better than infrequent larger ones. You should mix your water first, so you can drain out the old water and then add the new water in fairly quickly.
If we were talking a few minutes, almost all can handle that.
If it's gonna be hours, pretty much any coral will have some lasting damage or die outright.
Why do you need so long to do a water change. This is a task that shouldn't take more than like 10-15 minutes.
So, that's got to be a couple of hours, no?Sps can b exposed in their natural habitat for an entire low tide cycle.
Something is not right there.I change water weekly. I can't do more often than that. And I do premix and pre-aerate most of my water, but I don't have the capacity to pre-aerate the last 10 gallons, so there is a delay in getting the pump restarted. The sump sucks down extra water from the DT as long as the pump is off. It would be a lot easier on ME if changes didn't take so long but it's hard to know where to cut corners. I'm just asking for advice before I do something stupid.
Surely there would be Atleast some die off from this though? Unless that die off gets knocked off by the waves and can regrow over time.Sps can b exposed in their natural habitat for an entire low tide cycle.
If this caused dieoffs there would be no shallow reefs as it happens every day in many places some for several hours at a time.Surely there would be Atleast some die off from this though? Unless that die off gets knocked off by the waves and can regrow over time.
Some use tea cups apparently to (re)fill their tank.I have never heard of a water change taking hours.