is this temp ok?

jiggy

jiggy

New member
what do u keep ur temps at?

with my new halides, my temp reaches around 85 degrees, and with them off they around 78-80.. this is over a 6hour photoperiod.. is this ok?
 
wow, that's an extremely high fluctuation, the key with sps is keeping the temperature as stable as possible, do you have fans running on your canopy?
 
i dont have a canopy.. its an open top tank with 2 400w pendants hanging above it...

the temp rises from 80 to 84.6 exactly in 6 hours... i still have the heater in the sump and it is set at 80 degrees... maybe if i take the heater out, the dark temp will be like 78 and the temp with the lights on will go up to 83..

is it safe to have the temp at 84.6? i have read that some people keep their reefs at like 84-86 degrees..
 
well see how much my dark temp drops when i dont have the heater on... if it drops to 78, then my temp with lights on will also be 2 degrees cooler
 
86 is fine but I wouldn't go higher. The reason I don't care about 86 is because anymore and it could cause issues. My tank in the summer went from 83 to 85 all summer long. I had 0 issues and growth was very well. The problem with your situation is the huge jump. If you know you are going to hit 85 every day, set your heater for 82.

What thermometer are you using? I had one that read 86 and my new coralife and my buddies thermometer is reading 83.

Most of the reefs around have higher temps around 84 anyway so don't stress about the temp.
 
im using the coralife digital thermometer..

im just waiting for my skimmer to get shipped out.. asm g3.. they said they will ship it out on monday.. so after the skimmer gets put in and broken in, im gonna start getting some sps... my water params r very stable, especially with my new korrallin reactor
 
My tank flucuates 76.5 to 79.5 that's a 3 degree difference every 4 hours, I have a chiller.

My corals don't seem to mind; but many say I should only run 1-2 degrees of variance.

Mike G
 
im sure the ocean cools down alot more than 1-2 degrees at night.. its a bigass ocean.. imagine all the current that brings in the cool water from the depths and there is no sun to warm it up..
 
Does it really cool down much at night? I have been wondering about that, from what I heard the ocean being as vast as it is cannot cool that quickly because currents keep it in a rough balance that takes days to change. I am not sure but does anybody know for sure what the average temp varation is between day and night?
 
i dont know exactly.. but its only common sense.. look how huge the oceans surface area is.. even if the air temp cools down 5 degrees at night (it usually cools down at least twice that), it would have to cool the ocean down at least 1-2 degrees right there.. plus all the current from the deeper waters.. there is more deep/cool water in the ocean than shallow/warm water.. not to mention the waves crashing will disipate heat from the water.. and the water crashing onto the sand, which is also cooler at night..
 
your temp fluctuates too much! i would fluctuate 2-3degrees MAX.

what are you using for cooling methods? a fan might give you all the cooling you need


how old is the tank?

Lunchbucket
 
i dont have a cooling method.. no heater, and when the lights r off just let the water cool on its own..
 
<a href=showthread.php?s=&postid=6720961#post6720961 target=_blank>Originally posted</a> by jiggy
my water params r very stable, especially with my new korrallin reactor
Click to expand...


the thing is, temperature is included in your water parameters, a shift of anything more than 2 degrees is actually highly unstable water conditions. in the reefs I don't think the temperature fluctuates that much, due to warmer currents in the areas, even if it does though, you're trying to create very stable conditions so that your sps adapt better to being in a captive system, I've seen high temperature fluctuations do awful things to them... the main thing is getting some fans going on in your tank, if you raise the heater to 82, your temperature's just going to go up to 87, if you take the heater off after the lights come on, it'll still go up to 85, since the heater stops working at 80 anyways
 
no wonder you have a heat problem wiht the 400 watters going ,,to many people styarting out are basicly bullied into oh you have to get 400 watters ? 175 watters will work
 
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