I saw this post on my RC feed yesterday and something in it caught my attention.
He is running an automatic KH tester!
http://www.reefcentral.com/forums/showthread.php?t=2532878
Not many details in the post or in the videos he listed but it definitely looks like it works! I've sent him a PM and am waiting to hear back.
If Mindstream turns out to be too expensive, this might be a good alternative even if it only monitors ALK.
He is running an automatic KH tester!
http://www.reefcentral.com/forums/showthread.php?t=2532878
Not many details in the post or in the videos he listed but it definitely looks like it works! I've sent him a PM and am waiting to hear back.
If Mindstream turns out to be too expensive, this might be a good alternative even if it only monitors ALK.