Interesting. I never ever had any deposite with IO or Reef Crystal but always have had a brown deposite, sort of shiny, with H2O and I tried 3 buckets with the same result. After writing to DD they said it was due to ferric oxide they add...not exactly pure salt mix huh?
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Originally Posted by Myka
Hmm, my first pail of H2Ocean tests 9 dKH with Elos kit. I find H2Ocean mixes cleaner than IO, with IO leaving flakes or stuff on the bottom of the tub (some are shiny!?!), but they both leave calcium deposits in the mixing tub...to be expected. Don't you get that with RB? Sometimes I think weird readings can be bad test kits, bad batch of salt, or poor testing habits. Never know...
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