"George" wrote:
"BoyPete" wrote in message
George wrote:
"BoyPete" wrote in message
George wrote:
"Paul" wrote in message

Well according to test strips these are the results: Nitrate 0
Nitrite 0
Ttl Hardness 150ppm Ttl Alkalinity Moderate/80ppm Ph 8.0.
The date
stamped on botton is 03/2006 A lot of algae is in the filter
itself...............Thanks

The Ph seems to be really high for a freshwater pond. I keep mine
at 7.4 or below.

My pond, now 13 months old, has always given 8 to 8.5 for Ph. I've
had no problems.
I have some string algae, and the pond planting is going wild! Algae
is a fact of life, I wouldn't worry about it.

Is that the Ph of London municipal water? Sounds like seawater to me.
What's your salinity?

LOL No idea
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No offense intended about the drinking water in London. You can get a
hydrometer pretty cheaply at a pet supply shop and find out. Make sure
you get one with as wide a range as possible. Or better yet, just ask
your water authority what it is supposed to be.

I've used pH rolls for decades, for various things. One source is

http://catalog.miniscience.com/catal...s/Default.html

--
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