water temperature affecting plants?

tanker

Member
Joined
23 Feb 2008
Messages
102
Location
Malaysia
About 2 months back, plants in my aquarium was doing really bad. glosso melts, moss that did not really take off started dying, other plants's growth just sort of stopped. that was the period where weather was rather hot here, at least 30C everyday. it didnt occur to me that water temperature was an important factor

until someone suggested to be to fix a cooling fan that lowers water temperature by at least 1 or 2C. after 2 weeks, moss seems to take off now, plants pearl more. i do not have a temperature reading device, but i do feel that the water is cooler compared to without cooling fan.

Anyone experienced problems with water temperature?
 

ceg4048

Expert/Global Moderator
Staff member
Joined
11 Jul 2007
Messages
8,993
Location
Chicago, USA
Hi tanker,
Higher temperatures increase the metabolism of plants and algae. So for tropical aquatic plants this should not be a problem in and of itself. Temperate zone plants can also do well at higher temperatures. As temperatures rise though, gasses such as O2 and CO2 become less soluble and so evaporate from solution more quickly. Melting plants are typically a sign of poor CO2.

Cheers,
 

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