Jack's Magic The Vinyl Liner Blue Stuff is an easy, effective way to keep your vinyl-lined pool free of nasty metal staining and scale buildup. Its unique formula is designed specifically to work safely with vinyl liners, even those equipped with heaters, finally giving vinyl pool owners a full strength chemical to combat stain and scale buildup. Best of all, Vinyl Liner Blue Stuff is made by Jack's Magic, and industry innovator in pool chemicals, allowing you to buy with confidence.
32 fl oz per 10,000 gallons of water.
6-8 fl oz per 10,000 gallons of water per week.
Initial Start Up:
1 quart (32 oz.) per 10,000 gallons of pool water. In problem areas, 2 quarts are recommended.
Maintenance levels are 10-12 ppm. To achieve this level, simply add 6-8 ounces per 10,000 gallons of pool water weekly. This product should be added directly to the pool with the water circulating (pump on).
In certain instances this product can be used to reduce the severity of a stain over time. In order to determine the appropriate method of removing existing stains, use Jack's Magic Stain ID Kit.
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This is a great product....it really works. Great customer service too.
Attempted twice after getting the chemicals to the correct levels as suggested but didn’t work on my vinyl liner in my pool.
When I first moved in this house I had terrible trouble with staining. Once I started using this, I have had no more stains. I use it once a week year around.
Even though I haven't had a chance to use this yet, I'm sure it will be as outstanding as all the other chemicals I have purchased from pool geek. My pool has always been sparkling clear. Top notch service, low prices and fast shipping! You have a customer for life. Thank you, Pool Geek.
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