1. the glass made CO2. degree checker .. type

2.CO2 indicator .15ml

.. inside .CO2. degree .. color . verification ... the glass .. . . body ................ only . .CO2....... light ......... color . blue . green . yellow ... does .CO2.... standard as most . . .

※...pH. low .. most the first from yellow color .......CO2....... color ........ in that case ....... line ..pH. on .. blue moreover, green .. color ... from ..... please do .

※......... that way CO2. degree checker .... please .

and downward for searching

CO2.. system

CO2 monitor . Star

CO2 generator

two ....

.. control

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....

. -stroke ..

pH price

CO2. degree