Help with quarantined Harlequin Rasboras! - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 4 Old 04-23-2018, 08:33 PM Thread Starter
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Exclamation Help with quarantined Harlequin Rasboras!

On Saturday I Aqquired 6 Harlequin Rasboras from my LFS, PetSmart And have them QT in a bare bottom cycled 10 gallon, with a tetra whisper HOB filter, heater, and air stone. It also has a few decorations, a marimo moss ball, and four ghost shrimp. When I woke up this morning one of the 6 had passed away with no marks or sign as to what would've caused it. A few hours later another fish had died, again with no signs as to what would've caused the death. Ill insert a picture of the water params right after the second death here.

https://www.tropicalfishkeeping.com/a...1&d=1524533429

If anyone could help me determine the cause or possible causes of death, that'd be greatly appreciated.
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post #2 of 4 Old 04-23-2018, 08:50 PM
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Quote:
Originally Posted by AwokenPrincess View Post
On Saturday I Aqquired 6 Harlequin Rasboras from my LFS, PetSmart And have them QT in a bare bottom cycled 10 gallon, with a tetra whisper HOB filter, heater, and air stone. It also has a few decorations, a marimo moss ball, and four ghost shrimp. When I woke up this morning one of the 6 had passed away with no marks or sign as to what would've caused it. A few hours later another fish had died, again with no signs as to what would've caused the death. Ill insert a picture of the water params right after the second death here.

https://www.tropicalfishkeeping.com/a...1&d=1524533429

If anyone could help me determine the cause or possible causes of death, that'd be greatly appreciated.
The first thing that I noticed from you're test results is that if I read correctly, your ph is 8.2. Pet shops usually keep their pH system at 7.0. A fish can handle a .2 change at a time. But it looks like you instantly put them in a tank that was 1.2 difference. My experience is that your fish died from pH shock. 8.2 is way too high. How often do you do partial water changes? You should recheck the pH of your tank to make sure you didn't make a mistake. Also check the ph of your tap water straight from the tap as well. Then hit us back.

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post #3 of 4 Old 04-23-2018, 09:43 PM Thread Starter
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I Tested both high and normal for both my tank and my tap water and the slightly lighter one on the high test. I tested the water in my 20 gallon tank as they use the same tap water, conditioner ect and i wanted to see how it compared to the already tested QT tank. I just realized that the PH is different from my tanks and my tap water as i had been using the strip tests before Saturday. Is there any reason the Ph would be so different? What can I do to fix it without chemicals?
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post #4 of 4 Old 04-24-2018, 09:09 PM
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There was no reply button available when you attached the pics. I left you messages in your personal mailbox (the little envelope at the top of your home page). Anyway, the safest way to get the pH down without chemicals is to do partial water changes daily of about 1/4 waiting 24 hours to retest just before doing another water change until the pH reaches a safe level. But as to why it skyrocketed like that requires more information for me. Are there any rocks or pieces of concrete in the tank? Have you been topping off evaporated water without water changes? Have you put any medications in the tank that have not been removed? Does the tank have any ornaments that you don't know what they're made of? Has a dead fish ever stayed in there a couple or few days before being removed? You only have to answer questions that are yes. And offer any ideas or questions you have so we can figure out how to keep this from happening again.
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