Yes he is Alan , clever guy and so personable as well ,i would like to think we have become friends , during our many phone -calls and meetings /banter ,its the in-depth knowledge on a chemical and deep scale that blow's me away he go's way deeper that his guy can !!!!!...... thank god. as i said i wanted a swimming pool guy , but it just so happened that the guy against me chose the area my man is probably the country leading expert -on :hurray: