Red Sea test kit

[Chris A.]

So I've been trying to get my calcium down for a while now about a month. Started doubting my Red Sea kits and just went to lfs to get a second opinion and I was right. My calcium is 450 and my test reads 500+ and alk is 7 and rs reads 9.6.

Do you think if I contact Red Sea that they'll swap out the kits?

 

[jah-hoeva]

Are you sure your doing the test correctly? Their test kits are pretty well regarded for being pretty accurate.

 

[Chris A.]

As far as I know yes. The alk is pretty straight forward, add 10ml water and add orange liquid until it turns orange

 

[Bendint]

So does that mean our test the other day mayber wrong?


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[dz6t]

I have Alkalinity standard that I can give you a free sample. LFS test kits may or may not be accurate.

 

[dz6t]

I use Salifert Alk test kits. Every time I open a new box of test kit, I test it against the Alk standard solution I have. So far Salifert test kits are spot on for the past several years.

 

[Chris A.]

So does that mean our test the other day mayber wrong?


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Ya
The calcium read over 500 at your house so it's probably around 450 and the alk read 9 I think so it's low if the lfs's is correct

 

[Chris A.]

I have Alkalinity standard that I can give you a free sample. LFS test kits may or may not be accurate.

Definitely going to get some from you Dong