Not to hijack but since everyone here seems experienced with salts I have a quick related question. My experience seems to show the average reefer keeps alkalinity around 8.3 dkh (natural sea water level) but some of the widely used salt brands have alkalinity as high as 11 dkh with few salt mixes around 8-8.5 dkh. Am I missing something? This seems askew to me.
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