hanna phos ?

would it not be better to know if the phos is lets say 15 then after a huge water change might drop down xyz point?

on the lower one you would never know the drop untill it was already very low right??

guess im lost on this
 
If your phos is 15 you will know! :) Bad stuff!!!

It will never get that high, it should always be almost zero. A very high reading in a tank would be 1-2.

An instrument with the smaller range is usually the more accurate within that range. So, get the lower range instrument for aquaria.
 
<a href=showthread.php?s=&postid=12307979#post12307979 target=_blank>Originally posted</a> by little_squid
why the high tester then?? i understand your point pondfrog


Cause someone will buy it.....:smokin:
 
<a href=showthread.php?s=&postid=12307979#post12307979 target=_blank>Originally posted</a> by little_squid
why the high tester then?? i understand your point pondfrog

to test the potty water?

ok lower one it is thanks
 
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