Yeah I know. But maybe the one that he needs can measure saltwaterMany of those are unsuitable for seawater, only fresh.
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Yeah I know. But maybe the one that he needs can measure saltwaterMany of those are unsuitable for seawater, only fresh.
enChroma glasses cure colorblindness (supposedly) You can do a indepth test on their site and see how well their glasses will help you.
http://enchroma.com/
sadly they say they wont work well for my colorblindness, so I just use the hanna checkers and go with it.
Well I was kinda close on the Alk test. Thought I stopped at the perfect spot but I didn't stop soon enough.
I ran Randy's DIY alk test with .1N HCL and at 4.5 PH the Alk was 9.5dKH. That test is so simple. Much easier than looking for a color change IMO. A big thanks to Randy for posting that article.
Well I just found out we have 4 and 7 ph calibration fluids here, as well as .1N HCL. So from now on I'll use it as my Alk test.
Ive read to get the better calibration you should use 7 and 10 since its closer to what we use.
BTW- BRS has those fluids for less than a dollar each.