Arduino based auto alkalinity tester DIY - Page 9

karimwassef · 07/01/2017, 02:52 PM

Here's my original with precession for agitation

It's basically a DC motor with an offset axle to a moving acrylic plate

shermanang · 02/11/2018, 09:23 PM

No more update?

Reefpuck · 02/14/2018, 11:57 PM

I hope the apex news didn't kill this for you!

karimwassef · 02/23/2018, 11:00 AM

I've just been too busy...

I'm watching for the Apex. DIY is always an alternative for better cost but I'm always willing to learn from the pros.. sometimes to learn what not to do.

theatrus · 02/23/2018, 05:28 PM

I'm glad others are developing this too

The principle isn't too hard, but the devil is in the details of failsafes and repeatability. I'm always curious what the sources of reagents others will be using - my protoypes use standard acid (HCl). I imagine the pricing here can become printer-ink like

shermanang · 03/28/2018, 12:40 AM

No more update?

fefegarcia1 · 03/28/2018, 12:03 PM

Hi!
I think that someone did it first.
https://www.reefkinetics.com/
https://www.facebook.com/georg.kotli...35906170169737
Arduino based? Maybe.

Best regards.

07/01/2017, 02:52 PM	#201
karimwassef Registered Member Join Date: May 2004 Location: Dallas, TX Posts: 11,033	Here's my original with precession for agitation It's basically a DC motor with an offset axle to a moving acrylic plate __________________ Failure isn't an option It's a requirement. 660g 380inwall+280smp/surge S/L/Soft/Maxima/RBTA/Clown/Chromis/Anthias/Tang/Mandarin/Jawfish/Goby/Wrasse/D'back. DIY 12' Skimmer ActuatedSurge ConcreteScape Last edited by karimwassef; 07/01/2017 at 03:04 PM.

02/14/2018, 11:57 PM	#203
Reefpuck Registered Member Join Date: Jul 2004 Location: Georgetown, TX Posts: 1,122	I hope the apex news didn't kill this for you! __________________ Josh Current Tank Info: 90g mixed reef w/ 55g sump/fuge.

02/23/2018, 11:00 AM	#204
karimwassef Registered Member Join Date: May 2004 Location: Dallas, TX Posts: 11,033	I've just been too busy... I'm watching for the Apex. DIY is always an alternative for better cost but I'm always willing to learn from the pros.. sometimes to learn what not to do. __________________ Failure isn't an option It's a requirement. 660g 380inwall+280smp/surge S/L/Soft/Maxima/RBTA/Clown/Chromis/Anthias/Tang/Mandarin/Jawfish/Goby/Wrasse/D'back. DIY 12' Skimmer ActuatedSurge ConcreteScape

02/23/2018, 05:28 PM	#205
theatrus 100-mile-commuter Join Date: Dec 2004 Location: almost nevada Posts: 4,721	I'm glad others are developing this too The principle isn't too hard, but the devil is in the details of failsafes and repeatability. I'm always curious what the sources of reagents others will be using - my protoypes use standard acid (HCl). I imagine the pricing here can become printer-ink like __________________ Custom electronics purveyor. blueAcro.com Current Tank Info: 90g SPS+mixed reef (10 yrs): LEDBrick LEDs, 40g custom sump, Ca reactor, chiller, Vortech, lots of custom electronics

02/11/2018, 09:23 PM	#202
shermanang Registered Member Join Date: Apr 2014 Posts: 27	No more update?

03/28/2018, 12:40 AM	#206
shermanang Registered Member Join Date: Apr 2014 Posts: 27	No more update?

03/28/2018, 12:03 PM	#207
fefegarcia1 Registered Member Join Date: Jul 2011 Location: Sao Paulo, Brazil Posts: 193	Hi! I think that someone did it first. https://www.reefkinetics.com/ https://www.facebook.com/georg.kotli...35906170169737 Arduino based? Maybe. Best regards.