Why are my fish dying?????

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Mrs. Nicky

Feeder Fish
MFK Member
Jun 3, 2014
610
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Norfolk, Va
Why are my fish dying after using Tetra Algae Control? I put a little extra in there because my green water was really stubborn but I've done that before. So far I've lost 4 giant danios, 2 gobies and it looks like I'm about to looks an angelfish. Is it possible that I will lose all of my fish? I dosed the tank on Friday and I did a 50% water change on Sunday. What should I do now?


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Are you having an ammonia spike? When algae dies it rots. Also chemicals are not the way to treat green water. Reduce light duration and strength, while increasing water changes is the safe, and lasting way.
 
No ammonia spike. I tried water changes, cutting back on feedings and reducing the lights. I even left the tank in complete darkness for 3 days still nothing. I didn't know what else to do.


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I hate to tell you but, the MSDS (Material Safety Data Sheet), AT TETRA and SUBMITTED BY TETRA, states in more than one place; "Toxic for fish". The sheet further states the product is dangerous in sewers, septic tanks, and ground water and cautions must be followed to prevent the release of this product into the aforementioned waterways.

I'd put a bucketload of charcoal in the tank to try removing the algaecide and keep up the water changes to try saving the remainder of your fish.
 
👍on water changes and less relying on chemicals

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No ammonia spike. I tried water changes, cutting back on feedings and reducing the lights. I even left the tank in complete darkness for 3 days still nothing. I didn't know what else to do.


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try more filter padding and fit them tightly
 
+1 for pothos. Do anything you can to outcompete the algae for nutrients.

For green water you need to Reduce the light the tank receives... Use timers have lights on only when your home. If the tank is in direct sunlight, do whatever you can to change the light source or move the tank.

Keep up with water changes. Your issue with the chemicals should subside and your green water should too, unless you have really really really bad water out of the tap.

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Of your like me you have to figure out some alternative avenues to getting rid of the algae. My tank gets to much direct sunlight and I'm fairly overstocked. An algae scrubber worked best.. adding porthos Will work but that's another job itself and not everyone wants then sticking out the back of the tank.


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