Urgent Help Need: Tank Temp 94F

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DragonScales

Feeder Fish
MFK Member
Jun 2, 2009
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Water Cave
For those fighting the summer heat wave, let's share your ideas how you're keeping your tank cool. Post your tank size, fish species, temp, and what you're doing to keep the tank cool.

My tank went 94F today and I'm very concern. My tank has bichirs, angels, discus, and pbass. So far no loss yet but I'm definitely concern if they can sustain at this temp. There is a powerhead run with air bubble adjusted to max. Do you think the fish will be ok?
 
Is your tank outside? Do you keep your house at 94? I live in Phoenix, we are triple digits most of the day and high 90's at night. I keep my house at 80. I keep the tank temps at 80 also. It's easy, take away anything adding heat to your tank. Keep the lights off as much as possible. I have my lights turn on about 6 pm when I get home from work and turn off by 10pm 4 hours total. Use only external pumps. The submersible pumps give off heat to the water, try not to use those. Also allow your tank to give off heat. I have a 360 acrylic tank with 3/4 inch thick acrylic. It's very insulated to say the least. I keep the covers off the tank in the summer and allow evaporation, this will help cool your tank. If you have jumpers, put a screen type cover on the top. At the most you may need to put a fan at the top of your tank and blow air right on the water. This will increase evaporation and cool the tank. Start out with only using the fan while the lights are on. If you need more cooling keep the fan on longer. There's no need for chillers unless your running a reef or planted tank that needs a lot of light. If I can keep my tanks cool anyone can! Good luck :)
 
My tank is kept inside the house. The house does reach 98-100+ degrees during the day. Then at night with the fans running the house would cool down to about 85. The tank is a 150 acrylic fully covered. I have two 12watts 10K light bulbs running at 4 hrs a day. The light switch on at 7p then off by 11p. The filter is Eheim and Xp3 canisters. The only internal pump is a 15watts powerhead.

Lately, I have been using a house fan and aimming it at the tank. Raising the cover is not really an options cuz I have bichirs and they will jump so the tank must be fully covered.
 
uncover your tank your slowing down the cooling effects of evaporation.
use a fan blowing over the top to improve evaporation
 
use egg crate or light defuser to prevent jumping. there jumping because its hot as hell in your tank. i would jump out of hell too.
 
DragonScales;3300754; said:
My tank is kept inside the house. The house does reach 98-100+ degrees during the day. Then at night with the fans running the house would cool down to about 85. The tank is a 150 acrylic fully covered. I have two 12watts 10K light bulbs running at 4 hrs a day. The light switch on at 7p then off by 11p. The filter is Eheim and Xp3 canisters. The only internal pump is a 15watts powerhead.

Lately, I have been using a house fan and aimming it at the tank. Raising the cover is not really an options cuz I have bichirs and they will jump so the tank must be fully covered.
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No AC huh? okay your in extreme mode! The lights are not your issue, at only 12 watts. You need to uncover your tank and put some kind of screen on it. Maybe a sheet of those light diffusers they sell at home depo. It's 1/4 inch square plastic holes that you would use in a large florescent light fixtures. Take your hood off and put the HD light diffuser things on the top of the tank. Weight it down with something or duck tape it down. HD also sells those square room fans. Mount it above the tank and set it to low.
Ya got what, a month more of this heat? It's only a month a year you need to do this maybe two? Just remove the covers. You will be happy, your fish will be happy. Other wise you need a chiller and that cost $$$ to buy and to run. Cheers bro, good luck :)
 
fill up 2-liter bottles and freeze them. use as many as necessary and just switch them out when they thaw.
 
Where are you located that you have a large aquarium and no AC?
 
the tank is in the kitchen area so no ac. it is an old house w/o centralized ac. i got ac in other rooms but not where the tank is.
 
The temp here has been around 100-110 ish for about a month and a half. My favorite trick is I put a bunch of the freezer packs in the freezer at night along with 25 feet of airline. I then every morning unpack the air tubing at the bottom of the cooler taking care to leave 2 feet on one end and 5 feet on one end of the coil exposed. I pack the ice packs on top of this. I close the cooler and hook up an air diffuser to one end and drop it in the tank and hook up an air pump to the short end out of the cooler. Its very consistent no spikes and it drops the temp pretty good. Right now I have enough cooler packs to get my GF to dump in new ones mid day. This is for the show bichir tank. The rest of the tanks are hitting about 87 without AC The show tank never goes above 83 :)

Also I was at out central sheet metal shop and made a screen top for temporary it is covered in krylon fusion that helps especially with a wall fan blowing against the surface. This tank also has over 10X turnover so the surface is always looking like its boiling anyways. The frozen tubing and packets have made the biggest difference of all though im talking a 5 degree drop
 
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