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  #1  
Old 05-03-2016, 06:46 AM
ScubaSteve ScubaSteve is offline
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Quote:
Originally Posted by Myka View Post
Alk is the tricky one, but you should know that.

Mindstream claims to have it figured out, but they are lacking funding badly since a serious failure in their Kickstarter program.
They're doing theirs through spectral analysis of a reactant test... never made sense to me to do it that way. Too complicated. Too many things to go wrong. No wonder they are struggling!

I was doing some reading tonight and it seems it should be fairly straight forward to make a carbonate selective electrode (provided I can synthesize a molecular tweezer ). In fact, I think I could put pH, Calc, Alk and Nitrate all on the same electrode.
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Old 05-03-2016, 09:22 AM
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Quote:
Originally Posted by ScubaSteve View Post
They're doing theirs through spectral analysis of a reactant test... never made sense to me to do it that way. Too complicated. Too many things to go wrong. No wonder they are struggling!

I was doing some reading tonight and it seems it should be fairly straight forward to make a carbonate selective electrode (provided I can synthesize a molecular tweezer ). In fact, I think I could put pH, Calc, Alk and Nitrate all on the same electrode.

Last edited by Etaloche; 05-03-2016 at 09:24 AM.
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Old 05-03-2016, 05:22 PM
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What kind of precision would people want for calc/alk measurements? Most test kits only give you 5% precision (i.e. 400 ppm ± 20 ppm), Elos is a bit better around 2.5%. Is that good enough? Is there a need or want to go better than that?
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Old 05-03-2016, 05:36 PM
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Originally Posted by ScubaSteve View Post
What kind of precision would people want for calc/alk measurements? Most test kits only give you 5% precision (i.e. 400 ppm ± 20 ppm), Elos is a bit better around 2.5%. Is that good enough? Is there a need or want to go better than that?
I'm sure most people would want as much accuracy as possible unless it significantly increased price. If that's the case 2.5% should more than suffice for most hobbyist.
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Old 05-03-2016, 07:13 PM
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100% effective aiptasia remover.
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  #6  
Old 05-03-2016, 07:24 PM
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Originally Posted by ponokareefer View Post
100% effective aiptasia remover.
I've had 100% success rate with Peppermint Shrimp.
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Old 05-04-2016, 06:03 AM
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Originally Posted by WarDog View Post
I've had 100% success rate with Peppermint Shrimp.
Same here
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Old 05-04-2016, 07:12 AM
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I've had 100% success rate with Peppermint Shrimp.
I have spent at least 200$ on peppermint shrimp in the last year with zero luck. And I am going through a bottle of aiptasia x every two weeks. My last hope is a copperband butterfly . I am hoping Jl has stock soon. I have hundreds of them in my reef this pest taking over my tank
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Old 05-04-2016, 02:30 AM
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Quote:
Originally Posted by ponokareefer View Post
100% effective aiptasia remover.
For some reason, when I read that sentence I picture a mushroom cloud.

I think I have unresolved tension with aptasia...
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  #10  
Old 05-04-2016, 02:46 AM
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Quote:
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For some reason, when I read that sentence I picture a mushroom cloud.

I think I have unresolved tension with aptasia...
Me too. Sometimes peppermint shrimp work for people but sometimes they don't.
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