prime?

it's good stuff and worth the $$. easy to use/measure, and lasts a long time at normal dosages.
 
yes it is. However... there are cheaper alternatives that work as well.
If you arent sure of which, go for prime.
(im in uk so cant recomend any)
 
Prime is all I use...it treats more gallons per ml and is the most economical per gallons treated, especially when you order it online.
 
oh, and the rotten-egg stink means it's working!
 
I agree with everyone... Prime is the way to go.

When I did my sister's tank a couple weeks ago I used this garbage she had. I forget the brand was it was a popular choice. FIVE-times less potent than Prime.
 
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