Mag 24 gives off a lot of heat??

carey1465

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The last few days my 175 gallon has been up around 80-81 degrees. I did have it at 77-78. I know the temperature has been going up outside, but I didn't have this problem last year with my 110 gallon tank. Is it because of the mag 24 is much bigger than the mag 12 that I had on my old 110? I removed a section of glass on the canopy today to see if it helps but no luck. I also unplugged both heaters today and here it is almost 10:00 pm and its still 81 degrees. I hope I dont have to buy a chiller. lol Any suggestions on how to keep it cooled? I might have to buy a fan.
 
carey1465;857492 wrote: The last few days my 175 gallon has been up around 80-81 degrees. I did have it at 77-78. I know the temperature has been going up outside, but I didn't have this problem last year with my 110 gallon tank. Is it because of the mag 24 is much bigger than the mag 12 that I had on my old 110? I removed a section of glass on the canopy today to see if it helps but no luck. I also unplugged both heaters today and here it is almost 10:00 pm and its still 81 degrees. I hope I dont have to buy a chiller. lol Any suggestions on how to keep it cooled? I might have to buy a fan.

I used fans in my old system and it really helped alot. I mounted 3 fans into the canopy and wired them to the system computer... once the temp hit 80 degrees, the fans would kick on and cool the tank.

While a fan setup is not going to give you the same results as a chiller, they can certainly lower tank temps by a good 2 degrees or so. On the plus side, canopy fans are a lot cheaper than a chiller ;)
 
yea id go with fans they will do wonders on your tank if its open top with no canopy but even with a canopy you will see good results
 
Picoreefguy;857499 wrote: yea id go with fans they will do wonders on your tank if its open top with no canopy but even with a canopy you will see good results

My current tank has an open top/ no canopy, and I use a large ceiling fan to circulate air when the halides kick on... so far this method has kept my tank around the 80 degree mark.
 
I guess I'll run and buy a couple fans tomorrow. I was concerned because its only spring and I would hate to see what it's like this summer when it's over 90* outside. I do keep the a/c set at 78*


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Just keep in mind that fans will cause A LOT of evaporation. I was burning just over a gallon a day with my old 93 with 400w MH. I got a chiller and a 5 gallon bucket would last me almost 3 weeks. So if you have a bigger tank then expect more evaporation. Fans are a good and cheap solution though.
 
Why not to borrow another similar size pump and see the results first? Mags are know for good heaters tough! Then buy similar pumps if it works, If the problem persist then I will recommend you start saving some money for a chiller before the prices for them go up and before summer,
Fan + evaporation : more freshwater to be replenish and keeping up with salinity
Instead of
Chiller vs heat: owner and tank inhabitants happy (power savings on chiller are not as good :( . )
Just take the best choice you think will work
 
JeffMuse;857504 wrote: My current tank has an open top/ no canopy, and I use a large ceiling fan to circulate air when the halides kick on... so far this method has kept my tank around the 80 degree mark.

im talking about something like a clip on desk fan or large computer fan pointed directly at the top of the tank
 
This is exactly why I switched from Mag pumps to Quiet Ones. The heat dissipation difference is very noticeable. Besides that, the Quiet One parts were cheaper and they aren't known to leak if used externally. A Mag will leak. Quiet One doesn't have screws that will rust eventually either. If you don't want to switch, then yes, go with a fan. You have a couple of options. You could put computer fans on the canopy to both input air and exhaust air (although some would say only exhaust) or you could use any other number of fans mounted somehow in the canopy. Another option, assuming you have a sump is to put one blowing directly down on the water on your sump. Another option would be to get a sump cooler. They aren't really cheap although I've seen them on eBay for around $75. You'd have to cut a hole in your sump to install it but I've read that they will lower temps by 5+ degrees.
 
Change your pump. I used a mag pump on my tank once. 10 degrees later, I went all external.
 
I have a mag 12 in the garage. Will that be enough flow for my 175 with 2 returns? I'm thinking about swapping them today cause my sock filters are overflowing. I think the mag 24 might be to big.


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Hnguyen;857519 wrote: Just keep in mind that fans will cause A LOT of evaporation. I was burning just over a gallon a day with my old 93 with 400w MH. I got a chiller and a 5 gallon bucket would last me almost 3 weeks. So if you have a bigger tank then expect more evaporation. Fans are a good and cheap solution though.

How are you pulling this off? I run through a 5 gallon bucket in 2 1/2 days regardless of temp in the house and/or tank, and I'm not running any MH's at all. Is your ATO sensor sitting in the return pump section of the sump?
 
CedzAquAddiction;857681 wrote: How are you pulling this off? I run through a 5 gallon bucket in 2 1/2 days regardless of temp in the house and/or tank, and I'm not running any MH's at all. Is your ATO sensor sitting in the return pump section of the sump?

My ato was in the third return camber using a tunze ato. Temp was in my tank was at 78 all day long. A 10 gallon ato tank would last me almost 2 months in my Red Sea max but that had a closed lid on it. I dunno how I did it. It just happen to be that way.
 
Got it. I've seen that if I've moved my ATO sensor (autotopoff.com) to another chamber or raised the water level so it is level across the entire sump (which takes more water to evaporate before the level drops), my topoff water lasts alot longer...

Does you salinity stay consistent with your tunze in the 3rd chamber?

Not meaning to hijack...
 
CedzAquAddiction;857694 wrote: Got it. I've seen that if I've moved my ATO sensor (autotopoff.com) to another chamber or raised the water level so it is level across the entire sump (which takes more water to evaporate before the level drops), my topoff water lasts alot longer...

Does you salinity stay consistent with your tunze in the 3rd chamber?

Not meaning to hijack...

My salinity never moves. I always design my sump to have a very small return chamber, just enough to fit the pump (even smaller if I'm running an external pump) that way when water evaporates, it's makes the water level drop by a lot even though its only losing ounces of water, no where near enough to affect salinity.
 
Makes sense. Never thought about it that way. I may have mine set up too exact. If I take out 3 ounces of water from my DT, 3 ounces of water is pumped back in from my ATO. I'm probably overdoing it (as usial)...

Thanks...
 
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