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Old 08-09-2007, 01:00 AM
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Carrera75 Carrera75 is offline
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I highly doubt that tap water killed his fish...I have been using tap water for 9 months and my tank is thriving! When I do a water change, I mix the water and do the water change right away.....I know a lot of people mix the water for a day or even for a few days but I have never done that. So far my tank is looking pretty good. I think there are a lot of thing that happen and are very hard to explain why they happened. Most of the time we guess but we don't really know the real reason why something happened.

Last edited by Carrera75; 08-09-2007 at 01:04 AM.
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Old 08-09-2007, 01:26 AM
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Some inverts like shrimp are sensitive to both quick temp & salinity changes so that is likely what did them in. As far as the algae goes it could be a number of things. How old is the tank? and how big? What do you have for filtration, etc? I would need to know some of this info before taking a stab at the cause.
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Last edited by Snappy; 08-09-2007 at 01:28 AM.
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Old 08-09-2007, 01:59 AM
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how did the salinity get so high? What are you using to measure it? A hydrometer or a refractometer?
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Old 08-09-2007, 03:23 AM
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What happened was I topped up my tank from evaporation and I added salt water instead of plain water therefore the salinity spiked (I know my mistake). My tank is 40gallons and has been running for atleast 6 months now. Everything was doing awesome til now. I probably should have reduced the salinity gradually rather then all at once. Is the sand turning red/brown due to the algae spike??? Do you think it is just going to take some time for everything to adjust? My tank has a skimmer and filtration in the pump.
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Old 08-09-2007, 02:33 PM
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The sand is turning red/brown because it now has algae growing on it probably due to an increase in nutrients caused by the death of critters when you changed the salinity so fast. Ride it out, it will pass.

I would just leave your tank be for a bit and let it recover for a couple of weeks. Always make sure to top off with fresh water, taste it first if you have to (I'm sure you know that by now though ).
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Old 08-09-2007, 04:50 PM
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Always try and make any water chemistry changes gradually.
When you get a chance , invest in an RO/DI system, it really does make a big difference by starting with PURE water as compared to tap water.
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