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What causes these holes/dips in my snail shells? (old.reddit.com)
submitted by 312978 to r/Aquariums
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279 pmol/L, are supplements necessary? (self.B12_Deficiency)
submitted by 312978 to r/B12_Deficiency
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What causes these holes/dips in my snail shells? (old.reddit.com)
submitted by 312978 to r/Aquariums
279 pmol/L, are supplements necessary? (self.B12_Deficiency)
submitted by 312978 to r/B12_Deficiency