Re: Ph Meter

["Drummond Howard" <drummond at fishroom_net>]

I have one of the Hanna Ph "pen" I think Ph hep, it's O.K., but you have
to calibrate it too much.  If I was testing 100 tanks I think I would have
to calibrate it 4 to 5 times.

Just to rant a little, who in their right mind would package the Ph
calibration solutions, which you use a lot, in a box with 5 of each and
the TDS calibration solution, which I might use twice a year, in a box of
20?  Really annoying!  Fortunately I don't test the Ph that much.

Drummond howard
Gaithersburg, MD

>
> killiman wrote:
>> Go to Wal Greens and get some new batterys for it.
>
> :-) Wish it was that easy. Don't see that as my problem, tho.
>
> They just used the wrong kind of porous glass for the probe, and it
> takes  forever to displace old solution and read new, when there is much
> difference  between their pH. IMHO, portable pocket probes should be
> faster, if less  accurate, or they just aren't as useful as a portable
> measurement. Maybe  that's just me, and others don't mind waiting for
> 15-30 seconds for the  reading to stabilize.
>
> If you only have a few tanks, the liquid pH test kit for Spa and Pools
> at  Home Depot is cheap and probably quick enough. When you have 100+
> tanks, the  time adds up fast with a slow probe.
>
> Wright
>
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