right. check salt level AND check the hardness. if enough rain water gets into the
pond it may dilute the buffer system enough to cause pH crashing. rain is typically
acid from the dissolved CO2, and it also contains dissolved nitrogen
http://www.newton.dep.anl.gov/askasc...0/wea00044.htm
http://www.globalchange.umich.edu/gl...ter_nitro.html
the latter url contains nitrogen cycle and maps where acid rain is prevalent.
Ingrid

"RichToyBox" wrote:
If your are
using salt, you need to use a solt test kit to determine the amount of salt
in the pond.


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
List Manager: Puregold Goldfish List
http://puregold.aquaria.net/
www.drsolo.com
Solve the problem, dont waste energy finding who's to blame
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Unfortunately, I receive no money, gifts, discounts or other
compensation for all the damn work I do, nor for any of the
endorsements or recommendations I make.