Quote:
Originally Posted by Tom Barr
The KH reference solution will be made available commericially here shortly.
They are highly lab verified accurate and only requires the drop checker and pH solution.
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I will be a customer.
Quote:
Originally Posted by Tom Barr
I can do this with plants and also know when the CO2 issue might have occured through time 
Not everyone can. |
I couldn't fathom being able to do that, although it would be a really cool skill to have.