{"product_id":"hth-52038-2-step-green-to-blue-pool-care-system-advanced-shock-flocculant-kit","title":"HTH 52038 2-Step Green to Blue Pool Care System – Advanced Shock \u0026 Flocculant Kit","description":"\u003ch2\u003eTurn green pool water into blue, fast\u003c\/h2\u003e\u003cp\u003eThe HTH 2-Step Green to Blue Swimming Pool System tackles stubborn algae blooms and refreshes water in as little as 24 hours. This two-pack solution pairs a strong algae-fighting shock with a powerful flocculant for easy cleanup, delivering a visibly brighter pool without a complicated routine.\u003c\/p\u003e\u003cp\u003ePack I uses a Cal Hypo-based formula to jump-start clarity, while Pack II pulls fine particles to the floor for quick removal during vacuuming. Importantly, no cyanuric acid (CYA) is added, helping avoid overstabilization and keeping chlorine levels responsive to sun exposure.\u003c\/p\u003e\u003cp\u003eThe result is clearer, blue-tinted water that looks inviting, along with a practical approach that suits many pool styles. It works best for pools that can vacuum to waste and is gentle enough for vinyl-lined surfaces, reducing the worry of liner fading.\u003c\/p\u003e\u003ch3\u003eHow the 2-step system works\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAlgae control and color return: Pack I shock kickstarts the process to clear green water.\u003c\/li\u003e\n\u003cli\u003eDebris removal: Pack II flocculant gathers fine particles so vacuuming is faster and cleaner.\u003c\/li\u003e\n\u003cli\u003eBalanced chemistry: The formula avoids CYA buildup, supporting effective disinfection during sunny days.\u003c\/li\u003e\n\u003cli\u003eVersatility: Suitable for most pool types that can vacuum to waste, including vinyl liners.\u003c\/li\u003e\n\u003cli\u003eOngoing balance: Pair with HTH 6-Way Test Strips and test water twice weekly to maintain clarity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePractical usage tips\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBefore adding Pack I, test the water and remove visible debris for best results.\u003c\/li\u003e\n\u003cli\u003eAfter the transformation begins, run the filter and vacuum to waste as the water clears.\u003c\/li\u003e\n\u003cli\u003eRecheck chemistry after treatment and rebalance as needed with your test strips.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBest used at seasonal openings or after severe algae events, this system provides a straightforward path to crystal-clear water without extra steps. By avoiding added CYA, you maintain a balanced chlorine response that supports summer fun with a sparkling pool you can see and enjoy.\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 included in the HTH 2-Step Green to Blue System?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Pack I algae-fighting shock with Cal Hypo and Pack II flocculant are included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this system compatible with vinyl liners?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it works with all pools that can vacuum to waste and won't fade liners.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HTH","offers":[{"title":"Default Title","offer_id":48212628963572,"sku":"B09R82PSPH","price":40.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/hth-green-to-blue-pack-i-shock.jpg?v=1778438864","url":"https:\/\/www.cerapatiogarden.com\/products\/hth-52038-2-step-green-to-blue-pool-care-system-advanced-shock-flocculant-kit","provider":"Cera Garden","version":"1.0","type":"link"}