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Old 08-22-2005, 08:40 PM   #1
newbee
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White specks in my water


Ok here's a new problem. Two weeks ago I did a water change and right after it I noticed small white specks in the water, it looks like undisolved salt. Yesterday I did another water change and still have them. I have changed my sponge in the sump, thinking it was that deteriorating, but it's still there. I put a Fiber filter in a magnum to try and get it out but its not working, any ideas?
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Old 08-22-2005, 08:46 PM   #2
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I am sure it's no big deal. Might be some disrupted sand or detritus, may even be some sort of critter. I had a shrimp that would spawn every once in a while; that may also be the case.

Whatever they are mechanical filtration should take care of them.

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Old 08-22-2005, 08:49 PM   #3
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It may be undisolved salt, Let it settle before putting in tank , I will alway leave just alittle of the water in the tub. where it settled to. and Mix and use a pump or airstone in the new salt water for 24 hours before using.
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Old 08-22-2005, 09:10 PM   #4
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What does your salt look like when you scoop it out of the container, and what kind of container do you store your salt in? Describe how you mix your ASW prior to use.


A lot will depend on what your answers will be. Try describing the entire mass of salt to us.
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Old 08-23-2005, 07:36 AM   #5
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might be a long shot...but what are your Alk and Ca Parms?

Might be precipitating calcium.
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Old 08-23-2005, 07:50 AM   #6
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did you notice it as you were putting the water in the tank?
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Old 08-23-2005, 02:37 PM   #7
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The salt I used was from a plastic bag, forget the name, and I usually just keep it in there. I changed salt the other day and now use one, again don't know the name, from a blue plastic bucket. This salt is finer and disolves easier. I usually just mix it in a bucket and pour it in, but I've been seeing that several people make it and let it sit a day before using it. Is that better?

When I was putting it in the tank I didn't notice anything.
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Old 08-23-2005, 07:44 PM   #8
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Look real close at your glass and see if you can see it moving? it sounds like I have had the same thing and it will go away on its own. I cant rember what its called though.
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Old 08-24-2005, 01:57 AM   #9
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The issue MIGHT be that you have ASW mix that has been exposed to too much moisture (this can occur in 30 to 60 minutes of an open exposure to summer air) that allows the salt mix to become wet enough for the components of you ASW mix to react and form relatively insoluble CaCO3. This often happens in the summer when the bag is inadequate (realistically, ALL plastic bags are inadequate for storage once the bag is opened or if the bag has received rough handling outside its shipping box) or the buckets are left open too long. The salt usually forms a crust, or becomes hard and lumpy. The calcium carbonate formed in this manner will appear as fine flakes (or if bad enough, as a pile in the bottom of the container) of white material that will not dissolve. Folks often mistake this as a sign that their salt mix is bad from the manufacturer, but it is the poor storage conditions that make it so. Salt that has formed hard clumps or a thick crust of more than 2 to 3 cm thickness is usually suitable for melting ice on the drive during the winter, but will form an inadequate ASW mix for corals, usually devoid of adequate calcium and alkalinity if used for aquarium water.

The same thing happens when you pour salt into a dry bucket and add water to dissolve the salt. This allows for a concentration-dependant reaction to occur between the sodium bicarbonate and the calcium chloride used to make the ASW mix, resulting in a similar calcium chloride precipitate in the bottom of the mixing container that will not dissolve. Always mix your ASW by adding the salt mix one cup at a time to a circulating volume of water, allow it to circulate and heat for 24 hours, and test for adequate salinity, pH and temp before using it in an existing system.



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Old 08-24-2005, 03:34 PM   #10
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Ok, that sounds like that may be the problem. What do I need to do to get it outa there?
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Old 08-24-2005, 03:49 PM   #11
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No worries, you don't have to remove it, CaCO3 flakes are essentially sand. Mind as well toss this bag of salt that is causing this; just make sure when you get your next bag/bucket of salt to keep it sealed tightly and only leave the lid off as long as you need to.
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Old 08-24-2005, 11:54 PM   #12
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Quote:
Originally Posted by wharyat
No worries, you don't have to remove it, CaCO3 flakes are essentially sand. Might as well toss this bag of salt that is causing this; just make sure when you get your next bag/bucket of salt to keep it sealed tightly and only leave the lid off as long as you need (to measure out your salt).
yup, if you buy in 50 gallon ASW lots, use a tupperware or similar non-reactive food grade container with a resealable lid to store the salt once the bag is opened. Never buy salt that is clumpy or crusty in a bag, make sure the salt is free-flowing inside the bag. Buckets are always a safe bet.
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