"Marco Schwarz" wrote in message
...
Hi..

I live in the wide open spaces of Maine, near the
beautiful Acadia National Park.

In the EU I think acid rain was the main problem of the 70s
and early 80s. Newer stricter emission laws had forced the
power stations to use efficiently working filter systems.
Hmm.., and sorry, related to international environment(al)
protection standards I can hardly understand the
environmental policy of your country..
========================
Here in the USA $$$-MONEY-$$$ rules. It's that bottom line that counts.
Few in power care about the environment.

I've been using wet weather spring water to do some of my pond water changes
since it's free. I've been doing this since 1995. This spring only runs
in the spring and fall when we get heavy rains. I let it run at least 2
hours before turning on the pumps. I think I'm going to stop that practice
as I've noticed algae blooms after some of these changes in the past few
years. And after one change late last summer I notice the koi in one of my
ponds had become much less active, ate less and even the turtle was affected
and it stopped eating. These are my best butterfly koi and I'm concerned.
The other fish are becoming active on these warm days but not these
butterfly koi, so something is wrong. I removed all the spring water before
the cold weather and replaced it with tap water but that didn't help.....
I don't know what the problem is or what could have been in that one water
change last year.
--
Koi-Lo.... frugal ponding since 1995...
Aquariums since 1952
My Pond & Aquarium Pages:
http://tinyurl.com/9do58
Note: There are two Koi-Lo's on the Aquaria groups.
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