Exactly.davo;987725;987725 said:IMO&E algae wafers are supplement at best... not staple. Not to mention the amount of "algae" wafers that have little to know "algae" and are primarily made of crap and protein based components- always read the label...
I'd say your pleco has an blockage due to poor diet. Get some peas as suggested, and pray. There is little you can do at this point beyond the above mentioned.