{"product_id":"coral-seas-yellow-out-pool-chlorine-shock-enhancer-2-lb","title":"Coral Seas Yellow Out: Pool Chlorine Shock Enhancer (2 lb)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eCoral Seas Yellow Out is a ready-to-use pre-shock treatment designed to target yellow algae and other common pool nuisances. When paired with a standard EPA-registered chlorine shock, it helps promote water clarity and supports a steady approach to algae control across a variety of pool types.\u003c\/p\u003e\n\n\u003ch3\u003eWhy pool owners choose Yellow Out\u003c\/h3\u003e\n\u003cp\u003eThis formula is designed to be compatible with a range of setups, including salt chlorine generators and plaster finishes, which can influence water chemistry. In some environments, a higher pH (7.8 or above) is described as a favorable condition for Yellow Out’s action, particularly with newer plaster. It is also formulated to remain effective even when cyanuric acid levels are higher, offering flexibility for different pools and climates.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with pools operating a chlorine generator\u003c\/li\u003e\n  \u003cli\u003eSimple to use, requires no brushing, and cleans algae gently without harsh chemicals\u003c\/li\u003e\n  \u003cli\u003eUsed in conjunction with pool shock to safely remove green, yellow, brown, and pink algae\u003c\/li\u003e\n  \u003cli\u003eSafe, non-toxic and can be used on all pool surfaces, including vinyl liners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to use Yellow Out\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDissolve 2 lbs per 15,000 gallons of water in a bucket of water before adding to the pool\u003c\/li\u003e\n  \u003cli\u003eDistribute evenly around the pool while the circulation system runs\u003c\/li\u003e\n  \u003cli\u003eShock the pool with EPA-registered chlorine as part of your treatment plan\u003c\/li\u003e\n  \u003cli\u003eRun filtration and retest water after treatment; no brushing required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat to expect\u003c\/h3\u003e\n\u003cp\u003ePool owners may notice improvements in water clarity as algae break down and are removed through the shock process. The product is designed to be safe for plaster and vinyl surfaces, offering flexibility for common finishes. Because it does not rely on a single pH strategy, it can fit into different water chemistries and cyanuric acid levels, aligning with various pool maintenance routines.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is Coral Seas Yellow Out used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yellow Out is a pre-shock algaecide designed to work with chlorine shock to help clear yellow and other algae in most pool types, including salt systems and plaster finishes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I use Yellow Out?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Before shocking, dissolve 2 lbs per 15,000 gallons of water in water, then add with your EPA-registered chlorine; no brushing needed, and it works with various pool surfaces.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Coral Seas","offers":[{"title":"Default Title","offer_id":45741431292090,"sku":"B002WKO6U6","price":55.34,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/coral-seas-yellow-out-bottle-pour.jpg?v=1774816874","url":"https:\/\/gardencanada.ca\/products\/coral-seas-yellow-out-pool-chlorine-shock-enhancer-2-lb","provider":"Garden Canada","version":"1.0","type":"link"}