Guppy Water Hardness

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newclassic1

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Hi guys!

I recently got 5 guppies to add to my newly cycled tank. 2 of these guppies unfortunately have since passed on. They seem to be fine one minute and i could return to the tank an hour or two later and they've kicked it and hide/die in some of the driftwood or plants i have. I had no idea why this is happening, up until I read that guppies really do require harder water to thrive and possibly survive?? My parameters are as follows:

pH: 7.5
Ammonia: 0
Nitrite: 0
Nitrate: 20
KH: 80ppm (4.4dKH) <-- possible problem?
GH: 60ppm
Temp: 81°F

I have 3 corys and 2 honey gourami's in there alongside them and those seem to be thriving. My plan is to add 3 more corys so i can have a decent school going on with them. But first, i need to address the issue of these guppies just dying off for no real reason.

I'm pretty sure the softness of the water might be an issue OR they could just be badly bred guppies?

Any help appreciated!
 
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kattiq

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Aside from KH & GH, it could be that the temp is pretty warm for them. I keep my tanks at 77 and I have honey Gs and also cories. 81 definitely seems way too warm for the fish that you have currently.
How are you acclimating them? Do you get them local or shipped?
 
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newclassic1

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kattiq said:
Aside from KH & GH, it could be that the temp is pretty warm for them. I keep my tanks at 77 and I have honey Gs and also cories. 81 definitely seems way too warm for the fish that you have currently.
How are you acclimating them? Do you get them local or shipped?
Oh ok. I'll lower the temp a bit then. I acclimated them by hanging the bag in the tank for about 30mins and added some tank water half way through. Then added the fish at once... i got them from a local fish shop not a specialist breeder.
 
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Hpup456

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I think a lot of guppies sold at big box pet stores and wholesale are bred/raised in water that is pretty hard and possibly salty to some degree. If you can get them to have babies then you can raise the babies in your water and they will do quite well.
 
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newclassic1

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Hpup456 said:
I think a lot of guppies sold at big box pet stores and wholesale are bred/raised in water that is pretty hard and possibly salty to some degree. If you can get them to have babies then you can raise the babies in your water and they will do quite well.
Yeah i read that too. Unfortunately all my guppies are/were male! I've 3 left out of 5. I'm away from home until tomorrow so I'm almost expecting to have none left at the rate they are kicking the bucket
 
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kattiq

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newclassic1 said:
Oh ok. I'll lower the temp a bit then. I acclimated them by hanging the bag in the tank for about 30mins and added some tank water half way through. Then added the fish at once... i got them from a local fish shop not a specialist breeder.
The only reason I asked is usually if you get fish shipped you have to acclimate a little differently due to the ammonia accumulation in the bag. Usually from my LFS I let the bag hang unopened for 30m, and then add my tank water in every 15m for about a hour until the water in the bag has doubled. Then I pour the bag through a net into a bucket and put the fish caught into the tank.
Do they act funny before they die? Like hiding or not eating? Do they have any spots on them?
Sometimes males are known to be kind of aggressive with one another, but I don't think yours had enough time to be that way to cause a quick death like that.

I get mine from a LFS (not a big box store) so they are a little better quality I think and haven't had an issue. Also mine breed and the babies do just fine.
 
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RomanNoodles96

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Gh is a little on the low side, guppies don't do well in soft water. I dont think that caused the death if it happened that fast. I would watch parameters and fish behavior. Sometimes we get fish and they just die, no matter how much we prepare.
 
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