[APD] Sulphates

[Ed Dumas <eldumas at telus_net>]

Hello again,

I didn't get much of a response from the last question I placed, so I am 
going to rephrase and ask again, if you all don't mind. I probably put 
too many questions into one post, so excuse me, and here goes again.

Is there a dangerous limit with Sulphates in an aqaurium, to either 
plants or fish? I assume that small quantities are okay, but at what 
point is it possible to do harm? Is there a test kit for sulphates? If I 
know that point, I can know what level to stay well under.

Thanks so much.

Ed Dumas


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