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High Temperatures


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</DIV><H1>High temperature!</H1><DIV id=Qtextbox><P><STRONG>Author: Cichlid Boy</STRONG><BR><BR>I actually unplugged all my tank heaters the other day as I figured that the temperature would stay high enough naturally now that summer has arrived.

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I woke up this morning (after a sweltering night) to find most of my tanks at 30deg!

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And to think that it's only going to get hotter.... better start freezing those water bottles.

</P></DIV><H2>Replies »</H2><DIV id=Atextbox><P><STRONG>Author: Auscanuckafishy</STRONG><BR><BR>Tell me about it

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I had bottles in the tanks all day yesterday, they would be fully melted again within 30min.. ugh!

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No casualties to speak of at least.... Hopefully today won't be as bad cause i'm not gunna be home to look after it all

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Mark

</P></DIV><DIV id=Atextbox><P><STRONG>Author: Melbourne Bill</STRONG><BR><BR>But in Melbourne I have had to reconnect my heating system over the last 3 days because the water was getting too cold.

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No-one wins

</P></DIV><DIV id=Atextbox><P><STRONG>Author: KoJSuperMarine</STRONG><BR><BR>yeah it is very hot

bad for the tanks aye

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i have air conditioning where my tanks are in our lounge room so i leave that on when im down there temps usually dont go over 28!

</P></DIV><DIV id=Atextbox><P><STRONG>Author: SamJW</STRONG><BR><BR>I would have thought that most cichlids could handle temps up to say..... 34 degrees? At which point I was going to begin to panic.

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Please correct me if I am wrong.

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Reg's

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Sam.

</P></DIV><DIV id=Atextbox><P><STRONG>Author: Anita ozfish</STRONG><BR><BR>My garage got to 36 room temp on Monday, so I opened the doors to let some air circulate. It went up to 39

. It was actually hotter outside DUHHH The tanks were all running at about 32 at that stage so I closed one door, put the pedestal fan in there and the temp came down quite a bit. Lack of oxygen is the usual killer on these hot days, so make sure you all have enough air running in your tanks.

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</P></DIV><DIV id=Atextbox><P><STRONG>Author: Cichlid Boy</STRONG><BR><BR>Sam - when water temperature rises, so does the metabolism of the fish in it. They start to breathe heavier/quicker - and at the same time, the higher the temperature of water, the less oxygen it can carry.

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34 degrees is about 3 degrees higher than I'd like to put my fish through, especially as I have some Tanganyikans who are genetically accustomed to deeper & cooler water...

</P></DIV><DIV id=Atextbox><P><STRONG>Author: elise007</STRONG><BR><BR>As you say Anita lack of oxygen in the water at higher temps is a high risk.

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I am currently running a trickle filter system through all my tanks in my shed using a Pondmaster 4200. As it has an outlet in which i can plug a air tube inot i have done this and it pumps air straight into the return tube of the pump.

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My thought was that this would keep plenty of air in the water? Is this accurate or not? If that isn't the effect that it has why would you have that ability in the first place?

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Mark

</P></DIV><DIV id=Atextbox><P><STRONG>Author: Link 2 Hell</STRONG><BR><BR>Sam

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Rift lake species are use to a pretty constant 26-27*C enviroment and don't take well to sustained temps over 30*C

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On the other hand it would not phase equatorial riverine species which are considered hot water fish like Discus, Jurapari, Appistos, Etroplus, Hemichromis and Steatochromis

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The main point is oxygen content in the water and the ability for gas exchange (breaking the surface tension)

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This can be increased with a more aggitated air volume through the airstone

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The main benefit of a trickle system is the amount of saturated oxygen it leaves in the water take note of this if you bag a fish from such a setup in hot weather for a prolonged period, if the fish is use to an oxygen rich enviro it will distress quickly you will find this more so with Champsochromis that don't travel well most times if overcrowded

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</P></DIV><DIV id=Atextbox><P><STRONG>Author: meesterclarence</STRONG><BR><BR>Greetings. The only time I have a problem with the temperature is during the winter months, and then it is keeping the water warm enough. We have terrible winters, and every time I leave for a day or two, I get really stressed out. I keep all my tanks in the main house, and totally avoid the garage, as they would surely freeze. My salt water fish are especially susceptible to temperature changes, as I have many extremely sensitive types of fish, which are beautiful, but very challenging. Good luck keeping those temperatures right!. Take care.

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m/c

</P></DIV><DIV id=Atextbox><P><STRONG>Author: SamJW</STRONG><BR><BR>Thanks for the info everyone, sounds like I should jump on the band wagon and start freezing some water bottles too.

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Cheers

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Sam.

</P></DIV><DIV id=Atextbox><P><STRONG>Author: danceswithdingoes</STRONG><BR><BR>Usually turning off your lights during the day, removing hoods and lids and have a fan directing air onto the water surface is a more effective first aid than resorting to the freezer bottles.

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I just fired up the protein skimmer on the seahorse tank to help oxygenate the water (hovering at 28 degrees)

</P></DIV><DIV id=Atextbox><P><STRONG>Author: SamJW</STRONG><BR><BR>Hi DWD,

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I agree with your logic, plus it would avoid cold spots in the tanks.

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My only concern with doing that is that some of them may decide to see what's on the other side of the glass and jump out.

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Thanks for the hint.

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Reg's

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Sam.

</P></DIV><DIV id=Atextbox><P><STRONG>Author: steph</STRONG><BR><BR>We had a heap of casualties in the salt water tank on Monday/Tuesday

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Lost all but one fish, 3 shrimp, the abalone ...

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The coral banded shrimp loved it however, he shed his exoskeleton and grew!

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Steph

</P></DIV><DIV id=Atextbox><P><STRONG>Author: ducksta</STRONG><BR><BR>Sorry to hear that Steph

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Personally I feel leaving the tank and holding a stable temperature is better than dropping ice blocks in or anything that will slowly drop temperatures which are only going to rise again. Is this safe? I am hugely paranoid now!!!

</P></DIV><DIV id=Atextbox><P><STRONG>Author: 00 Electric 00</STRONG><BR><BR>someone mentioned above about takin the lids off and letting it drop naturally I prefer that way.(if I doesnt get too hot)

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To solve the problem with fish jumping out put ( dam forgot its name but its a sheet of plastic which has holes between it u also use it to separate a tank into sections).

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good luck everyone

</P></DIV><DIV id=Atextbox><P><STRONG>Author: Fishy Chris</STRONG><BR><BR>what are you guys talking about? You seem worried at 39 degree heats haha. Penrith (10 minutes away from me) had temperatures reach 43degrees the other day lol (third day in a row that it was over 40 degrees). Bummer eigh lol. Ah well. At least i have a nice air conditioned house (well its actually normally an igloo because the room im in most is always the coldest haha).

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Cheers,

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Chris

</P></DIV><DIV id=Atextbox><P><STRONG>Author: Alan Caboolture</STRONG><BR><BR>Consistant high temperatures are a bit of a problem here in S.E. Qld also although the water in my fish room has not gone above 28C this Summer yet. Some of the other big breeders here not only have insulated rooms, but have reverse cycle airconditioning as well. warm in Winter and cool in Summer.

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If I put air con in my fish room my wife would go balistic! So I make do with an $800 air blower and just about as much in plumbing, airlines, valves and diffusers. In other words I use evaporative cooling. One, two, sometimes three airstone (plastics in my case) depending on the size and position of the tank. Keeping catfish cool in summer is a problem but with adjustment of air and evaporation up or down temperatures can be controlled within limits. With my system I can have some tanks 7degrees cooler than others and all in the same room.

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So forget your ice blocks and just turn off the heat sources such as lights, open a lid or two just a fraction, and add heaps of air during heat waves. It's just basic physics, but mind you keep the tanks topped up as you will lose quite a bit of water in the evaporation and cooling process.

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Alan

</P></DIV><DIV id=Atextbox><P><STRONG>Author: Pommie Dave</STRONG><BR><BR>When my tank temperatures reached beyond 32C the other day I did some wholesale water changes of about 60% with new water at around 27C.

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I know that you shouldn't really do water changes with a difference of 2C but it seemed the only practical thing to do at the time.

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The fish seemed to love it! But is this really ok to do or am I asking for trouble??

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</P></DIV><DIV id=Atextbox><P><STRONG>Author: Fishy Chris</STRONG><BR><BR>whats wrong with doing water changes with water that isnt the same temperature as the tank water is?? I always do water changes with cooler water because i dont bother heating my water first, and i have NEVER had any problems at all. I think fish only hate the water when the sudden change in temperature doesnt rise back upto the normal warm temperature it should be (so if u suddenly put in a heaps of cold water and leave it at that temperature). Although it does depend on how cold the water is that ur putting in because if its 20degree's colder then it might be abit too much of a shock lol

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Cheers,

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Chris

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