Many here have used it and yes it does work.
As for purchasing on-line................................
http://fishstoretn.com/bio_spira.html
http://www.elmersaquarium.com/h125bio_spira.htm
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For in much wisdom [is] much grief: and he that increaseth knowledge increaseth sorrow.
Member of the AGA (Aquatic Gardner's Association)
Member of the IBC (International Betta Congress)
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