wrote in message
news:1125493848.e09eb0ad4d5b35678ddb98cbd347caa0@t eranews...
Hi,

My pond is about 6 weeks old. I've been testing the water almost daily
and cannot bring down the pH to a safe level. It has been running
consistently at 9.0. Over time I have poured about 5 bottles of PH
Down and other pH lowering brands but with no luck. I test the water
around 6:00 am and some evenings.

The pond is about 2600 gallons with liner, 4' deep in middle, rock
bottom, 6' stream with 2 waterfalls, 4000GPH Nursery Pro pump, lava
rocks and plants in the waterfall box. My tests have been running 0
ammonia, 0 nitrite, 0 Salt, 9 wide range ph. I have 15 fish from 2" -
4" which seem active and healthy. I also have many marginal plants.
I've been adding a dry bacteria about every 2 weeks.

My water is very clear but with a greenish tint. I am worried this
high pH will harm my fish. I am a beginner and still don't know much
about ponds.
============================
You can harm them more adding products that as you can see do not work or
work for a brief period of time. If the PH of the water from your tap is
lower than what's in your pond - you can do some water changes. However I
found over the years that pond fish can adjust to high PH. Rapid shifts in
PH are what causes them a problem.
--
McKoi.... frugal ponding since 1995...
My Pond Page http://tinyurl.com/cuq5b
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