Cold Water Changes

Istanbul_Kop

AC Members
Aug 28, 2008
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Liverpool, UK.
Does anyone else do cold water changes for their Malawis?

I started doing all cold water changes around 3 months ago, tank temp drops by aboout 5-7°C each time and it sends the fish into a breeding frenzy afterwards.

Just curious if anyone else does this?
 
Never tried it with Africans, but then I never had a problem getting Mbuna or Haplochromines to spawn! It is SOP for breeding other types of fish such as Cory Cats though.
 
I've heard cooler, pH neutral, low tds water being added is like candle light and soft music for fish... Ahh, the spring rains...
 
hmm. ill have to try that.

what does SOP mean?
 
I've done it before because I don't have a choice sometimes. Can't always stop the kids from using all the hot water up. Suddenly all my males think they can hold a territory. Too bad there are no females for them to court! They never seem to figure this out though.
 
Yeah i use water from outside off the spicket (waterhose) for a faster water change in the summer time and it usually drops the water about 2 to 3 degree and poses no issues.. (python no spill n fill rules)

Water changes inside during cold months is really slow so i cherish the faster water changes in the warmer months..
 
I don't know Kop, but a 5-7 Celsius drop is a 9-12.5 Fahrenheit drop; which seems too much in a short time to me. IMO, you should be careful and avoid those large sudden drops in temp.
 
Water changes in general seem to get my guys going regardless of the temp. It is usually the time when they decide to start scuffling a bit here and there. Once I am done, they seem to settle down.
 
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