Stores loose money on Boxing Day sales?

[MarkoD]

Originally Posted by Aquattro

Aren't those all viable options for dealing with cyano?? So the fish store guy that sells stuff for a living tried to sell you stuff to fix the problem you complained about? Weird....

Oh so I need all 4 products to lower my phosphates?
I went to another store and got a straight up answer "using phosdown is the least expensive and equally effective way to lower phosphates"