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Hi Folks,
It would appear that JBL have decided on a new optimum CO2 level in users' tanks. Instead of the 30 mg/l figure, which has been 'the norm' for a good many years, JBL seem to be rolling out their latest drop checker (DC) test sets with a new optimum of 20 mg/l. See below...
Hi Folks,
My new glass conventional drop checker is giving misleading readings. And I have good reason to believe that it's being caused by a white film that builds up near to the DC entrance. In other words where the CO2 gas diffuses from the water surface to the airspace inside the DC. See...
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