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RF Ricardo · 10/10/2018, 11:14 AM

Depends on if the carbon you are currently using was washed with phosphoric acid as many of the lower priced carbons made in China and packaged here are. Don’t know if they’ll put that info on their labels... ;-)

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10/10/2018, 11:14 AM	#7
RF Ricardo Registered Member Join Date: Oct 2018 Posts: 2	Depends on if the carbon you are currently using was washed with phosphoric acid as many of the lower priced carbons made in China and packaged here are. Don’t know if they’ll put that info on their labels... ;-) Sent from my iPhone using Tapatalk