Many retailers sell pool cleaning supplies that you can do yourself. One of the large steps retailers is Leslie's swimming pool supplies. For the first time buying supplies you might want to go to a retailer so you can get professional advice.
Yes, Walmart sells pool umbrellas. WalMart is a store that sells many items online. You can purchase a pool umbrellas from WalMart and they will have it delivered to the store for free or to your home for a nominal cost.
I do think that you need to change the Filter. It not suppose to be brown. You can buy them at any pool store in your area or retail store that sells pools.
One can buy pool floats from either a pool store directly, or from any department store that sells toys, pool equipment, or summer items. Another place to find them, is to look on the internet.
The American Store sells many things. The American Store sells products such as pool accessories, patio accessories, grills, wall decor, hot tub equipment, and trampolines.
Just go to your local pool supply store and ask for pH adjusting chemicals.
This is something that can be done yourself, or with the aid of a local pool supply store. You need to test your water to see what the level of chemicals are, and add chemicals to balance the levels.
Check the chemicals with a pool test kit sold at most stores like Walmart or Kmart or a pool store. It shows how to check for PH balance and Chlorine. You must keep your chemicals balanced or the water will get cloudy or worse, green.
The pool is cloudy, but the chemicals are fine.
You will need to add an amount of chemicals that is proportional to the size of your pool. The containers of the chemicals should tell you how much to add for the size of pool you have. It might be better if you take a sample of water to a local pool supply store, so that they can tell you exactly what you need for your specific pool. http://www.ehow.com/about_5390392_chemicals-put-new-pool.html
The best selection of pool tables from a major retailer is Sears. You can buy it online or pick it up at the store.
Sustain pool chemicals can be bought from A1Poolfun.
Frankly, I would take a water sample to a local pool store and usually for free they analyze it for you and give you a list of chemicals to add. Our pool store here is awesome and they take really good care of us.