http://www.marinelandlabs.com/cus_faq.asp#48
"Answer C: Ammonia-removing products may harm BIO-Spira® rendering it less effective at reducing ammonia and nitrite. For best results, use exclusively with BIO-Safe™."
Almost sounds like a marketing ploy for Bio Safe
Roan
"Answer C: Ammonia-removing products may harm BIO-Spira® rendering it less effective at reducing ammonia and nitrite. For best results, use exclusively with BIO-Safe™."
Almost sounds like a marketing ploy for Bio Safe

Roan