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[APD] RE: Aquatic-Plants Digest, Vol 7, Issue 33
Wright,
My apologies for confusing you with graham. Thanks for your comments on
pH.
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Graham or any one else. The ph from the tap is off the charts for my
kit. How likely is it my ph is above 10 and how can I make sure it
isn't.
I was able to adjust it last night with ro water and tap mixture (plus a
little bit of wadley's sodium biphosphate ). The RO water I got was off
the charts ph wise. I made a couple of assumptions at that point. One
the water I got from the grocery store is filtered from the same source
as my water. Two RO water has less KH ( I don't have a test for that
but, tried to make a logical conclusion ) so I could adjust it easier
with the Wadley's Sodium Biphosphate I got. With these assumptions I
performed a little scientific experiment and created a 5 gal batch of
1:5 RO to Tap and adjusted with the wadley's. I got a perfect 7.0 ph
after a half hour. I tried it again with just tap water and was able to
duplicate it. A third time with just tap again got me a 6.8 ph. Without
the KH test this is confusing me because it doesn't "appear" that RO is
making a difference. I dumped all the water into the tank and lowered
the ph in the tank to 7.8 (through the mixing of the water).
Now here are some other ideas I would like feed back on. If I can
duplicate this consistently is it worth doing the above with water
changes. Or based on what Graham said should I leave it alone assume I
can use any fish I like (barring no problems with ammonia, or other
pollutants that reacted to ph levels).
Keep in mind at some point I plan on using CO2 injection and I intend to
get a KH test kit (unless suggested otherwise) maybe tonight.
Also, can someone tell me what TDS stands for?
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Sincerely,
Jas
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