Buy Intex Krystal Clear Saltwater System 15,000 Gallon at Walmart.com All Departments Auto & Tires Baby Beauty Books Cell Phones Clothing Electronics Food Find helpful customer reviews and review ratings for Intex Krystal Clear Saltwater System at Amazon.com. Read honest and unbiased product reviews from our users. Matthew – I too have an Intex pool this year which came with it’s own pump, hose and attachments. Wanting to convert over to salt water, I now purchased a saltwater system with ECO off Amazon in hopes that is all I would need (other than the salt). Step 3: To drain or maintain? The last step is to consider whether you’ll drain or maintain the water in your stock tank pool. Stock tank pools are great when they’re clean and clear. .