Heating a 150 gallon tank?

saltydogg21 · 04/01/2011, 10:51 AM

Going to go with Jager Heater and going to use 2 heaters because after reading up on the post looks like the safest way... but my question is if I am running 2 heaters what wattage should I get?

Brwestern · 04/01/2011, 11:20 AM

Don't make the mistake I made. I bought 2 250w heaters and they don't fit in my sump. I'm going with 2-3 smaller ones.

I'd say either 2 150 or 2 200.

89Foxbody · 04/01/2011, 11:23 AM

The general formula is 3-4 watts of heat per gallon, though with larger tanks you can lean toward the lower end as they hold their temperature better. You should be fine with 2-200w heaters. Make sure you consider the volume of any sump into the total though.

bertoni · 04/01/2011, 04:21 PM

I'd buy a temperature controller, too. I have had enough heaters die that I don't trust them. The temperature controller is pricey, but a boiled or frozen tank is worse.

bnumair · 04/01/2011, 04:26 PM

i got 2 300w titaniums. both have their own controllers but i backed them with my reefkeeper so its fail safe in lots of different ways unless they just dont come one at all then i got a frozen tank or for boil out both controllers have to fail and more worse reefkeeper has to fail too.

snorvich · 04/01/2011, 06:28 PM

Quote:

Originally Posted by bertoni

I'd buy a temperature controller, too. I have had enough heaters die that I don't trust them. The temperature controller is pricey, but a boiled or frozen tank is worse.

Please listen to this suggestion. Heaters usually fail in the ON position. Ranco or equivalent controller is desirable, no necessary!

04/01/2011, 10:51 AM	#1
saltydogg21 Registered Member Join Date: Mar 2011 Posts: 110	Heating a 150 gallon tank? Going to go with Jager Heater and going to use 2 heaters because after reading up on the post looks like the safest way... but my question is if I am running 2 heaters what wattage should I get?

04/01/2011, 11:20 AM	#2
Brwestern Registered Member Join Date: Jan 2011 Location: Celebration, Fl Posts: 600	Don't make the mistake I made. I bought 2 250w heaters and they don't fit in my sump. I'm going with 2-3 smaller ones. I'd say either 2 150 or 2 200. __________________ 112g rimless 45x24\| pacific sun metis led \| SRO 2000int skimmer \| 2x mp40 \| 2 brs media reactors, gfo + carbon \| eheim 1262 \| Reef Keeper lite w/ NET

04/01/2011, 11:23 AM	#3
89Foxbody Registered Member Join Date: Oct 2010 Location: Norwich, CT Posts: 1,532	The general formula is 3-4 watts of heat per gallon, though with larger tanks you can lean toward the lower end as they hold their temperature better. You should be fine with 2-200w heaters. Make sure you consider the volume of any sump into the total though. __________________ Red Sea Max 130D Mixed Reef: ReefKeeper2, Rapid-LED retrofit, MiniMaxx Reactor, Tunze 9001 Skimmer, 2x Jebao RW-4, 2x Maxi-Jet 600 returns, 2x Koralia Nano 425

04/01/2011, 04:21 PM	#4
bertoni RC Mod Join Date: Mar 2002 Location: Mountain View, CA, USA Posts: 88,616	I'd buy a temperature controller, too. I have had enough heaters die that I don't trust them. The temperature controller is pricey, but a boiled or frozen tank is worse. __________________ Jonathan Bertoni

04/01/2011, 04:26 PM	#5
bnumair Dr. Reef at ur service Join Date: May 2009 Location: Tulsa, Ok, USA Posts: 7,751 Blog Entries: 15	i got 2 300w titaniums. both have their own controllers but i backed them with my reefkeeper so its fail safe in lots of different ways unless they just dont come one at all then i got a frozen tank or for boil out both controllers have to fail and more worse reefkeeper has to fail too. __________________ Water Quality: NO3 0,Phos 0,Cal 440,Alk 7.5,Mag 1300 "Reef Fast, You Crash, Reef Slow, You Pass" Mike's Reef 3:16 Current Tank Info: 350g DT,95g sump, 50g Frag tank, 4800gph return 4x Sea swirls. 6x AI Vega Color. 200# Pukani rock, dual recirculating skimmer, Biopellet, GFO Carbon rx's, Cal rx. Closed loop. 1.5hp chiller, genesis renew. Apex & RKE

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