No Problem! I bought too many plugs for too much $$$ and one day I was at HD and they caught my eye. Had to at least give them a try for the cost! You can also take any encrusting coral and put it in the middle of several tiles and allow it to spread over all of them.
Yes I've been an engineer for a long time, started as a sapper in the A&O platoon, then sold out to the dark side and have been an Engineer officer for a while. I deployed as a 12C platoon leader and later took command of the 361 Multi Role Bridge Company in Georgia, Now I'm in construction and do contracting. We'll Now I'm a reservist which is awesome, I'm just about to put water in my new home's 180 gallon in wall aquarium. So excited!