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orp meters.
Posted: Wed Jul 20, 2011 8:25 pm
by sam51
hi all.just got a pinpoint orp meter,from duncan, had a little play with it tonight,got a reading of 300mv,now according to duncan,that's not to bad.
as lee knows,had a little problem with trichodina,but from those pond readings.i ain't do too much wrong.
Re: orp meters.
Posted: Thu Jul 21, 2011 12:10 pm
by Gazza
Hi Sam,
Seems OK and they are great for when treating with PP as nows you will be able to keep it around 450 for the 4 hrs and know the stuff is doing its thing

Re: orp meters.
Posted: Thu Jul 21, 2011 3:56 pm
by Duncan
sam51 wrote:hi all.just got a pinpoint orp meter,from duncan, had a little play with it tonight,got a reading of 300mv,now according to duncan,that's not to bad.
as lee knows,had a little problem with trichodina,but from those pond readings.i ain't do too much wrong.
that may have something to do with the amount of PP thats been in there of late<ducking and running>

Re: orp meters.
Posted: Thu Jul 21, 2011 7:47 pm
by sam51
hi all,done a test tonight,now reading 225. done a test on my raw tap water,as well, coming out at 385.does this mean i should do more
and larger water changes.always looking for perfection.