Bacteria

[Shelster]

Hello it's me again, here to sap all of your knowledge

Is their a specific temperature (low) that filter bacteria could die from?
I know if pump is removed from water for a certain period of time that this is detrimental to the bacterial survival, but nt sure whether a temporary dip in temperature would have the same effect?

Reason I ask is I have just removed an extremely mature sponge from an external filter which wrapped around a new filter for my smaller tank fits perfectly. I have the thermometer going to warm up water (use RO not tap hence not pre warmed enough) and this thought has just occurred to me

I have half filled with RO and half filled with water from the old tank that I have just cleaned.

Thank you
P.s temp sitting around 18 at the mo

 

[the_lock_man]

I'd have thought you'd be ok - I think it's the same bacteria that populates a coldwater filter as does a tropical. Not 100% certain though.

 

[Shelster]

Thanks lock_man I was thinking the same re cold water fish bacteria.
Wasnt sure if bacteria may have been 'shocked' the things you think of after the event!
Ammonia is looking good, so I guess I would of had a reading by now if I killed some off, so fingers crossed

 

[Mikey1]

a drastic change in temperature can easily kill bacteria.....this is why you should always rinse your filter media in the same temperature water as your tank is.....

 

[coolie]

The temperature for optimum growth of nitrifying bacteria is between 77-86° F (25-30° C).​

Growth rate is decreased by 50% at 64° F (18° C).​

Growth rate is decreased by 75% at 46-50° F.​

No activity will occur at 39° F (4° C)​

Nitrifying bacteria will die at 32° F (0° C).​

Nitrifying bacteria will die at 120° F (49° C)​

Nitrobacter is less tolerant of low temperatures than Nitrosomonas. In cold water systems, care must be taken to monitor the accumulation of nitrites.​

Yeah I wrote all that. ​

 

[Shelster]

Thanks Coolie, hopefully I will be ok as temperature was creeping up within the hour. I am testing two/three times daily for ammonia so fingers crossed they have all survived.
That's really interesting info though, thanks!

 

[coolie]

I didn't really write it myself, I was just kidding.

 

[the_lock_man]

I didn't really write it myself, I was just kidding.

Gosh. Really? ;-)

 

[Shelster]

Ha ha ha ha, perhaps I should just 'google' next time then?

 

[coolie]

No, No, keep asking questions, I can google it, and look really important and knowledgable.