Weeds and other things - Will they grow through my Pool?

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Originally Posted by hrsdennis

To treat the ground I use a product called Pure Blue. It is a grass killer that is designed to kill nut grass and other types of growth under vinyl lined pools. It is a granule, non oil base grass killer. I prefer this type of ground treatment because I can treat the ground and install the liner the same day. With an oil base treatment a few days should pass before you can install the liner. A strong oil base grass killer can melt a vinyl liner if installed to quickly.

I prefer installing the pool on a sand base directly over the dirt. Should your liner ever leak the water does not get trapped, it can drain into the soil. When a ground pad is used the water has no place to go. This causes squishy sand and moss quickly grows underneath the liner.

There are times however when I strongly recommend a thick ground shield. Near by tree roots or a bad case of gophers are two examples where I would want the extra protection.

Some unique situations are so extreme a concrete pad is the best way to go. You should spend some time picking the brains of the people in your area with pools. What’s good here may not be at all good where you are.

Later, Dennis

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Can you tell me where to buy pure blue?

We sprayed with rouncup after clearing the land, but before adding sand. We did 2 days of roundup, then laid our black plastic barrier, then added sand on top of that. Might have been overkill, but better safe than sorry!

Hi bad, I have one of my local pool stores order the product for me in 100 lb barrels. It is also available in bags from 1 to 5 lbs. Those are the normal amounts needed to treat one pool. I order from Pool Supply Wharehouse in Phx. Az. but the product comes out of Forida.

Hope that helps some, Dennis