heaters??

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JosephM

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I have a 29gal tank with 20 gal sump (~35gal total volume). 2 100w aqueon pro titanium heaters hooked up to an inkbird. Don’t pay much attention to the cycles but temp is always between 76.3-77
 

mdb_talon

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I have a 29gal tank with 20 gal sump (~35gal total volume). 2 100w aqueon pro titanium heaters hooked up to an inkbird. Don’t pay much attention to the cycles but temp is always between 76.3-77

As I understand it the inkbird wont kick on unless temp drops at least one degree? I dont have an inkbird but had considered it and that is what I thought I had found?
 
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JosephM

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Im wondering if there is a different on low wattage/slow heating or high wattage/fast heating
I don’t think that matters much if at all. I’ve always been under the impression to get 2 slightly underpowered heaters. And always have them hooked up to a controller to shut off power if they are to fail in the on position.
 

JosephM

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As I understand it the inkbird wont kick on unless temp drops at least one degree? I dont have an inkbird but had considered it and that is what I thought I had found?
I think the 1 degree is just the measure of error. I’ve never seen it drop below 76.3 and I’ve never seen it over 77
 

Pistondog

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Im wondering if there is a different on low wattage/slow heating or high wattage/fast heating
Most heating systems work by turning on until set temp, then off, cool to a lower temp then on again. This causes the sawtooth temp plot exhibited by most apex controls. With higher watts, you are heating more quickly, and are able to heat the tank to desired temp in a cooler room. Or heat more water in a bigger tank..
Design redundancy to avoid cooking or freezing your fish.
 
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I don’t think that matters much if at all. I’ve always been under the impression to get 2 slightly underpowered heaters. And always have them hooked up to a controller to shut off power if they are to fail in the on position.
I think it is a matter of total kw if you have a100w heater that run's 10 per day for 1 hr each on cycle, thats 1000 per day. now if you have 2 100w heaters that run 10 per day but for only 20 min each cycle thats about 670 watts per day.
 
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Pistondog

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I think it is a matter of total kw if you have a100w heater that run's 10 per day for 1 hr each on cycle, thats 1000 per day. now if you have 2 100w heaters that run 10 per day but for only 20 min each cycle thats about 670 watts per day.
The tank will use the same amount of heat to maintain temp regardless of heater watts.
 

Reef.

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I use 2 50w heaters in a 14g with an inkbird, one Eheim and one Aquael, I have noticed the heating cycle is around 2-3 rounds per hour, which IMO not great, will probably replace the inkbird to a controller with a tighter variance as my inkbird is meant to only be a 0.3c variance but it’s nearer 0.8 which 3 times a hour is a lot.
 
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Crabby48

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100 total gallons. One 200 watt and one 150 watt Eheim Jager
House temp avg 63 degrees
Heaters on 1.5 hours, off for 40 minutes
1C171AC2-1FA7-4F6C-B01F-E0CE38B1B7C2.png

Sorry I forgot since my heaters are controlled by apex what I stated won’t be much use for you.
 

Scorpius

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75 total gallons. I use 2-100 watt heaters. Im trying to minimize cycling of on/off to reduce wear on my heater controller.
 
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