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Water Temperature... Guppies


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#1 bradmarsh

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Posted 09 January 2007 - 12:15 AM

What is the "ideal" water temperature for guppies? just got a digital thermometer so would like them to be comfy...

#2 theotheragentm

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Posted 09 January 2007 - 12:22 AM

Guppies have a pretty wide span of temperatures they can acclimate to in a tank. I would go with about 74F as it will allow you to do other tropical fish at that temperature too.

#3 puddle_inc

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Posted 09 January 2007 - 12:27 AM

i breed guppies. and mine are fine at pretty mcuh any temp. they could be in alot of temps. just let the water temp be whatever it is. don't worry about controlling the temp. good luck with them ^_^

#4 bradmarsh

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Posted 09 January 2007 - 12:32 AM

im only gonna have guppies, thats why i was specific. (hope that doesn't sound offensive! not intended, honestly) do you know what that is in Celsius (i'm not used to F!)

thanks theotheragentm!

#5 puddle_inc

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Posted 09 January 2007 - 12:34 AM

i don't know if you saw what i had. but if your going to buy like a heater or somethign it will seriously be a waste of money

plus thats room temperature almost, and room temp will be fine. so i suggest not getting any temp control things.

#6 bradmarsh

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Posted 09 January 2007 - 12:42 AM

so we've got no heater, any temp, 74F (which i dont know in degrees C :blush: ) ....anymore for anymore

all suggestions welcome... :good:

#7 gsta13

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Posted 09 January 2007 - 01:18 AM

The local temp here atm is 51°F, i would efinatly keep the heater in your tank! sure you turn your heating off at night right? its freezing i like to keep my tank at about 25-30°C thts about what there saying :)
Hope tht helps
Greg

#8 puddle_inc

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Posted 09 January 2007 - 01:23 AM

his tank isn't outside so as long as his house isn't that temp it won't matter and it would be pointless tog et a heater. complete waste of money.

#9 bradmarsh

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Posted 09 January 2007 - 01:28 AM

thanks, i've currently got it at 27C just wanted to know if this is ok? from what i've read they can live in water as low as 16C havent heard of anyone keeping them above 30C yet! very flexible little critters!!!

#10 Rhiannon

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Posted 09 January 2007 - 03:18 AM

Well, I live in Melbourne Australia, and we have been having the hottest days on record, but the most coldest nights (its really weird weather), so my water temp has been going down to 24 degrees celcius o/n and sometimes hitting 28 degrees during the day.

Its been very difficult for me to regulate with this bizarre weather but everyone seems to be coping fine.

#11 theotheragentm

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Posted 09 January 2007 - 05:37 AM

I work with steam and hot water applications for work so translating C to F and vice versa is second nature.

Degrees C * 1.8 + 32 = Degrees F

So to work it backwards, 74 - 32 = 42 / 1.8 = 23.3 Degrees C

#12 ICEEGRL

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Posted 09 January 2007 - 04:52 PM

I have removed my previous information, as I have found out I was incorect. :blush:
I am very sorry. I would never intentionally tell someone wrong.
I have learned my lesson, and will keep my mouth shut until I know more from now on. :/
Again... Sorry
:sad:

Edited by ICEEGRL, 11 January 2007 - 06:29 AM.


#13 gsta13

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Posted 09 January 2007 - 08:40 PM

his tank isn't outside so as long as his house isn't that temp it won't matter and it would be pointless tog et a heater. complete waste of money.


His tank isnt outside true but i dont know what themp is here in the middle of the night, its preety cold here ill tell ya!
All in all like ICE said i think its worth the intitail cost of the heater for the well being of the fish. not like its going to cost a arm and a leg anyway.

#14 bradmarsh

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Posted 09 January 2007 - 08:53 PM

well i measured the temp for the past 24 hours. lowest was 25.8'C and the highest was 26.7. so what do we think? is that too cold? is that too much fluctuation?

thanks guys and girls

#15 fish48

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Posted 10 January 2007 - 01:12 AM

well i measured the temp for the past 24 hours. lowest was 25.8'C and the highest was 26.7. so what do we think? is that too cold? is that too much fluctuation?

thanks guys and girls

a fluctuation in the temperature will do no arm to the fish it is good for them once they are used to it also makes it easier to do water changes straight from the tap as I do between 30 and 50% water changes each week.(always make sure that the tap water is 2 or 3 degrees warmer than the tank water.) I have a fish house with 80 tanks all of livebearers. I space heat the shed and the tank temperature can sometimes fluctuate as much as 6° overnight I have had a fish house and kept and bred livebearers this way for more than 20 years. I really get any problems with the fish.

my fish tanks on the floor of the fish house is 60 f. and top row of tanks are about 74f

I find the best temperature for guppies is between 68 f. and 74f when kept at higher temperatures they don't live as long .

Remember it is what we get our fish used to also remembering when we buy guppies from a pet shop they will be used to being kept at higher temperatures and may not adapt to lower temperatures so well. Once the fish have bred and the young will get used to the water conditions that we keep them in

fish

Edited by fish48, 10 January 2007 - 06:55 PM.


#16 Zafirah

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Posted 10 January 2007 - 03:37 AM

Is 86 degrees fairenheit a little too warm. Because mine is around that give or take a little

#17 Tolak

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Posted 11 January 2007 - 05:19 AM

well i measured the temp for the past 24 hours. lowest was 25.8'C and the highest was 26.7. so what do we think? is that too cold? is that too much fluctuation?

thanks guys and girls

a fluctuation in the temperature will do no arm to the fish it is good for them once they are used to it also makes it easier to do water changes straight from the tap as I do between 30 and 50% water changes each week.(always make sure that the tap water is 2 or 3 degrees warmer than the tank water.) I have a fish house with 80 tanks all of livebearers. I space heat the shed and the tank temperature can sometimes fluctuate as much as 6° overnight I have had a fish house and kept and bred livebearers this way for more than 20 years. I really get any problems with the fish.

my fish tanks on the floor of the fish house is 60 f. and top row of tanks are about 74f

I find the best temperature for guppies is between 68 f. and 74f when kept at higher temperatures they don't live as long .

Remember it is what we get our fish used to also remembering when we buy guppies from a pet shop they will be used to being kept at higher temperatures and may not adapt to lower temperatures so well. Once the fish have bred and the young will get used to the water conditions that we keep them in

fish



Healthy well conditioned fish can withstand some temperature swings as long as there aren't severe swings over a short period. A couple of degrees over a 24 hour period won't hurt most fish. New purchases should be kept at a more stable temperature until they are acclimated to your water conditions. The thing you have to watch about guppys is that there has been so much inbreeding that often the strain is weak to begin with.

I'm sure well bred healthy fish can withstand a 6 degree temperature swing overnight, I know it happens to some of my unheated cory tanks from time to time. In a fish house or fish room with space heating the bottom tanks will run cooler than the top ones, and you should stock accordingly.

Cooler water changes are also used to induce spawning in many fish, I'll do 50% wc's on angels that's 4F cooler, and I was talking to a local cory breeder that does 50% wc's 8-10F cooler to induce spawning. Remember, this is on well acclimated & well conditioned adult fish, not new purchases with unknown health or bloodlines. For newer fish, especially guppys from a pet store I would try to maintain an even temperature for a few weeks.


Is 86 degrees fairenheit a little too warm. Because mine is around that give or take a little


That's way warm for guppys, more in keeping with discus, angels or other New World cichlids.

#18 stargirly1208

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Posted 17 January 2007 - 07:16 AM

i keep mine at a steady 80F and everyone in my tank seems to be happy. i keep the fry tank a little warmer at maybe 82F

#19 Neo8223

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Posted 17 January 2007 - 08:23 AM

Well us humans can tolerate a lot of temperatures. Doesn't mean we like some of the temperatures. Try keeping us at 10 celcius. We'd live... but we'd be pretty darn cold!

24 celcius- 75F for keeping guppies happy
27 celcius- 81F for breeding guppies. - come to think of it, my guppies only do live for 1 and a half years and they are meant to live for 2... i have read.

The guy who breeds guppies must either A - live in a hotter country than england, or B - have his central heating on for 24/7.

In England, you need a heater in the winter, although, guppies can tollerate very cold weather.

At this time of the year, we turn the heating off in the day when no one is home, and also around 1 ish to 6. The temperature does fluctuate quite a bit. my 2.5 gallon suffers quite a lot, but cuz its a small tank WITH AN OVERSIZED HEATER, it stays pretty much constant at 27C

I ENVY YOU DOWN UNDER! Rhiannon, in england, its like 10-12 celcius atm!

#20 Tokis-Phoenix

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Posted 17 January 2007 - 07:54 PM

well i measured the temp for the past 24 hours. lowest was 25.8'C and the highest was 26.7. so what do we think? is that too cold? is that too much fluctuation?

thanks guys and girls

a fluctuation in the temperature will do no arm to the fish it is good for them once they are used to it also makes it easier to do water changes straight from the tap as I do between 30 and 50% water changes each week.(always make sure that the tap water is 2 or 3 degrees warmer than the tank water.) I have a fish house with 80 tanks all of livebearers. I space heat the shed and the tank temperature can sometimes fluctuate as much as 6° overnight I have had a fish house and kept and bred livebearers this way for more than 20 years. I really get any problems with the fish.

my fish tanks on the floor of the fish house is 60 f. and top row of tanks are about 74f

I find the best temperature for guppies is between 68 f. and 74f when kept at higher temperatures they don't live as long .

Remember it is what we get our fish used to also remembering when we buy guppies from a pet shop they will be used to being kept at higher temperatures and may not adapt to lower temperatures so well. Once the fish have bred and the young will get used to the water conditions that we keep them in

fish



Healthy well conditioned fish can withstand some temperature swings as long as there aren't severe swings over a short period. A couple of degrees over a 24 hour period won't hurt most fish. New purchases should be kept at a more stable temperature until they are acclimated to your water conditions. The thing you have to watch about guppys is that there has been so much inbreeding that often the strain is weak to begin with.

I'm sure well bred healthy fish can withstand a 6 degree temperature swing overnight, I know it happens to some of my unheated cory tanks from time to time. In a fish house or fish room with space heating the bottom tanks will run cooler than the top ones, and you should stock accordingly.

Cooler water changes are also used to induce spawning in many fish, I'll do 50% wc's on angels that's 4F cooler, and I was talking to a local cory breeder that does 50% wc's 8-10F cooler to induce spawning. Remember, this is on well acclimated & well conditioned adult fish, not new purchases with unknown health or bloodlines. For newer fish, especially guppys from a pet store I would try to maintain an even temperature for a few weeks.


Is 86 degrees fairenheit a little too warm. Because mine is around that give or take a little


That's way warm for guppys, more in keeping with discus, angels or other New World cichlids.



Guppys breed all year around though and their breeding is not encouraged by fluctuations in temperature (corys for example respond and breed to large and regular cold water changes sometimes because in the wild such changes in the water conditions would usually mean the rains are ariving, which is good for any fry born around such a time), in fact temperature changes should be avoided with guppys as it generally stresses them out. I wouldn't advise deliberately letting large fluctuations in temperature like 6 degree's happen if they can be avoided- 6 degree's could mean the difference between a tropical and a coldwater tank, and guppys are not coldwater fish, they are tropical fish which enjoy the cooler range of tropical temps.

Although guppys can tolerate a wide range of temps, i would say 24-26 degree's is the most ideal temp range for them.

#21 fish48

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Posted 18 January 2007 - 12:55 AM

well i measured the temp for the past 24 hours. lowest was 25.8'C and the highest was 26.7. so what do we think? is that too cold? is that too much fluctuation?

thanks guys and girls

a fluctuation in the temperature will do no arm to the fish it is good for them once they are used to it also makes it easier to do water changes straight from the tap as I do between 30 and 50% water changes each week.(always make sure that the tap water is 2 or 3 degrees warmer than the tank water.) I have a fish house with 80 tanks all of livebearers. I space heat the shed and the tank temperature can sometimes fluctuate as much as 6° overnight I have had a fish house and kept and bred livebearers this way for more than 20 years. I really get any problems with the fish.

my fish tanks on the floor of the fish house is 60 f. and top row of tanks are about 74f

I find the best temperature for guppies is between 68 f. and 74f when kept at higher temperatures they don't live as long .

Remember it is what we get our fish used to also remembering when we buy guppies from a pet shop they will be used to being kept at higher temperatures and may not adapt to lower temperatures so well. Once the fish have bred and the young will get used to the water conditions that we keep them in

fish



Healthy well conditioned fish can withstand some temperature swings as long as there aren't severe swings over a short period. A couple of degrees over a 24 hour period won't hurt most fish. New purchases should be kept at a more stable temperature until they are acclimated to your water conditions. The thing you have to watch about guppys is that there has been so much inbreeding that often the strain is weak to begin with.

I'm sure well bred healthy fish can withstand a 6 degree temperature swing overnight, I know it happens to some of my unheated cory tanks from time to time. In a fish house or fish room with space heating the bottom tanks will run cooler than the top ones, and you should stock accordingly.

Cooler water changes are also used to induce spawning in many fish, I'll do 50% wc's on angels that's 4F cooler, and I was talking to a local cory breeder that does 50% wc's 8-10F cooler to induce spawning. Remember, this is on well acclimated & well conditioned adult fish, not new purchases with unknown health or bloodlines. For newer fish, especially guppys from a pet store I would try to maintain an even temperature for a few weeks.


Is 86 degrees fairenheit a little too warm. Because mine is around that give or take a little


That's way warm for guppys, more in keeping with discus, angels or other New World cichlids.



Guppys breed all year around though and their breeding is not encouraged by fluctuations in temperature (corys for example respond and breed to large and regular cold water changes sometimes because in the wild such changes in the water conditions would usually mean the rains are ariving, which is good for any fry born around such a time), in fact temperature changes should be avoided with guppys as it generally stresses them out. I wouldn't advise deliberately letting large fluctuations in temperature like 6 degree's happen if they can be avoided- 6 degree's could mean the difference between a tropical and a coldwater tank, and guppys are not coldwater fish, they are tropical fish which enjoy the cooler range of tropical temps.

Although guppys can tolerate a wide range of temps, i would say 24-26 degree's is the most ideal temp range for them.

as I have mentioned that sometimes my tank temperature can drop as much as 6 degrees over night I didn’t say that it dropped 6 degrees every night. I also gave a temperature range of 68f -74f so when the temperature drops 6 degrees meaning that temperature has dropped to 68f it does not make it a cold water tank. a fluctuation in the temperature range that I have given does not stress the guppys and does not affect the way they live and breed.

Fish 48




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