Water Temp climbing too high... why?

[djmpj2]

The temp in our tank tonight is 88 degrees. It's usually about 80. Here is what has been happening.

Yesterday my husband added our new Turbo Twist 3x 9 watt Sterilizer to the set up. It is hooked into our Canister Filter.

He also added a 3rd maxi jet 1200 power head to the tank for extra circulation.

A few hours later he discovered our heater was on the blink when he got a shock when he touched our water. He immediatly pulled it out and replaced it with another heater we had as a backup. He set that heater to 80 degrees. Same setting we had the old one at. At this point he did not take note of the temp in the tank.

We got up this morning and the temp was 85. He unplugged the heater and turned out the lights. This evening the temp has climbed even higher to 88 degrees.

Do you think the Turbo Twist is causing the temp increase? Now that the lights and heater are off, this is our guess.

Unless the broken heater caused the temp to shoot up. But then why is it still going up when the broken heater has been removed for over 24 hours?

PS - We are in NJ so our local temp/weather is not causing it to go up.

DJ

[melosu58]

Something is not right. I dont think it is the UV as I have the same brand and my temp stays at 76-77 all the time. I would just keep lights off and if temp is still high after few hours or in morning Try unplugging the UV or PH. I got a felling it was your heaters. Most likely the first one broke and the second one is not callibrated to the right settings. I had one one time that I had to set on 70 to get 77 degrees. When I set it on 77 you can imagine what happened.

I agree. I never had a heater in my freshwater tanks that was calibrated to the setting.

With my reef I got a Pro Heat Titanium with an external temp setting and it is the first one I ever had that is accurate to the setting.

I would adjust your heater. May take a few hours to do.

[roka64]

I agree with the rest. Depending on the size of your tank, it will take longer to heat up or cool down. I would suggest a titanium heater and grounding probe.

[djmpj2]

I'm looking at the Pro Heat Titanium on Marine Depot and each size has a list of customer reviews one worse than the next.

http://www.marinedepot.com/aquarium_...um.asp?CartId=

Should I be concerned?


By the way - unplugged the heater and UV last night. Water is at 85 today. I guess it will take a while to cool back down?

DJ

[roka64]

I read those reviews too. A lot of folks still swear by them. I bought the digital ones here:
http://www.premiumaquatics.com/Merch...ode=Finnexheat
If you choose to order from them, use the link from this site, I believe aa will get some support from them.
I love mine, but have only had them for a few months.

[PC]

I had heat issues when I added a 15w current usa UV to my 75G. I ended up retiring the unit due to heat issues. You are pushing water slowly though a tube with a high output (hot) light in it resulting in nicely super-heated salt water. You could try a clip on fan to blow across the water (Assuming no canopy) but 8 degrees may be more than a fan can help dissipate.

Peace.

[melosu58]

I guess the reason I dont have problems is that it`s attached to my return line . That is not slow. DJ what was your UV hooked up to?

[english-nick]

I don't see how 27 watts of bulbs could be responsible for raising the water temperature by 8 degrees.

It might be the pump that's feeding water to the UV fixture (unless you're piggy backing like Mel).

Keep us posted (very curious as to the culprit)!

[roka64]

You also have to take into consideration the phs, they will generate heat. Where is your thermometer located?