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acorral · 04/21/2017, 09:29 AM

Long time without posting...

Some pictures say more than a thousand words...

Bermuda pink aragonite:

Optical IR sensor for detecting when socks are clogged:

ATO using float valve and optical sensors:

04/21/2017, 09:29 AM	#33
acorral Registered Member Join Date: Feb 2006 Posts: 171	Long time without posting... Some pictures say more than a thousand words... Bermuda pink aragonite: Optical IR sensor for detecting when socks are clogged: ATO using float valve and optical sensors: