one suggestion however for the future: please do a quick search on behind the black first before you submit an evening pause suggestion. in the kit you will find everything that you need and even more to get the job done. they're visual enough to keep me glued to the screen, but they extend far beneath the surface gloss. they are often not needed or required to turn a pond around and end an algae bloom. this also applies when it comes to breaking bad habits. if you are browsing for additional reports besides the visit sort. 