I wanna build ponds....just little ponds and good study material? As If! ok so, what web site should i go to for good study material on instalation and up keep/maint. Do I have to be liscensed? By god I have every other lisc the S O Tx has to give. Thankyou for your time. Mattew McMenamy...not to be the biggest, persueing to be the BEST!