this post was submitted on 17 Jun 2025
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As a non-chemistry person, I assume the red diamonds are to ensure I don't put this in my mouth?
The first is a standard warning symbol, telling you to read the warnings.
The middle looks to imply that it's harmful to aquatic life; so no flushing, (upside-down fish and a piece of coral)
Third one seems to be dosage frequency, but saying a symbol isn't available. (QHS = taken every night)
At least make sure the thing you post is correct for something like this, as it can be important.
The first one (exclamation mark) means it is a irritant and the second one means it is hazardous to the environment (not just aquatic)
Source: https://www.epa.gov/sites/default/files/2016-01/documents/hazard_communication_standard-safety_data_sheets_epa_dec_2015.pdf
The exclamation can mean that it's an irritant. It could also be other potential health concerns.
Try not to be too quick when trying to correct someone next time, especially when you are only half right