Amazon has the Tetra PlecoWafers Algae Wafers (5.29 oz. Bag) for $4.99 - 5% off with Subscribe & Save (can cancel anytime) - $1 off coupon (check “Save an extra” box, eligible on first S&S order for this product) = $3.74 with free shipping on $35+ or with Prime. Nutritionally balanced vegetarian fish food for bottom feeders