{"product_id":"algaestop","title":"PondMax AlgaeSTOP – Pond \u0026 Fountain Algaecide","description":"\u003cp\u003e\u003cstrong\u003ePondMax AlgaeSTOP\u003c\/strong\u003e is an EPA-registered algaecide (Reg. No. 100963-1) for ponds, fountains and statuary. The active is a polymeric quaternary compound at 9.0% — \u003cstrong\u003enot copper\u003c\/strong\u003e, which matters if you have plants or a history of copper accumulation in the pond.\u003c\/p\u003e\n\u003ch3\u003eWhat it controls\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreen water\u003c\/strong\u003e (\u003cem\u003eChlorella\u003c\/em\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue-green algae\u003c\/strong\u003e (\u003cem\u003eAphanizomenon\u003c\/em\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack beard algae\u003c\/strong\u003e (\u003cem\u003eAudouinella\u003c\/em\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eString and hair algae\u003c\/strong\u003e (\u003cem\u003eCladophora\u003c\/em\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlanketweed\u003c\/strong\u003e (\u003cem\u003eOedogonium\u003c\/em\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDosage — ponds\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e5 mL (1 tsp) per 100 gallons\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1 fl oz (30 mL) per 600 gallons\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e¼ cup (60 mL) per 1,200 gallons · ½ cup (120 mL) per 2,400 gallons · 2 cups (480 mL) per 9,600 gallons\u003c\/li\u003e\n\u003cli\u003eRepeat every 3 days until the algae is controlled, then dose weekly to maintain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCoverage:\u003c\/strong\u003e 8 oz treats 4,800 gal · 16 oz 9,600 gal · 32 oz 19,200 gal · 64 oz 38,400 gal · 1 gallon 76,800 gal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFountains:\u003c\/strong\u003e 0.5 mL per 10 gallons, or 1 fl oz per 600 gallons.\u003c\/p\u003e\n\u003ch3\u003eAeration is not optional\u003c\/h3\u003e\n\u003cp\u003eFrom the EPA label: \u003cem\u003ewhen algae is controlled and removed by the filter or settles to the bottom, the oxygen level may drop to harmful levels if adequate aeration is not provided. In warm weather pond water carries much less oxygen, so vigorous 24-hour aeration is required for the duration of the treatment.\u003c\/em\u003e Do not shut pumps or aeration off at night while treating.\u003c\/p\u003e\n\u003ch3\u003eWarnings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot safe with freshwater crustaceans\u003c\/strong\u003e — shrimp and crayfish.\u003c\/li\u003e\n\u003cli\u003eSafe for ornamental fish, aquatic plants, pets and wildlife when used as directed.\u003c\/li\u003e\n\u003cli\u003eHarmful if swallowed, inhaled or absorbed through skin. Causes moderate eye irritation.\u003c\/li\u003e\n\u003cli\u003eWater-polluting material — do not discharge treated water to storm drains or waterways.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy buy from ChampKoi?\u003c\/h3\u003e\n\u003cp\u003eChampKoi has kept koi healthy from our San Jose, California facility since 1998. An algaecide treats the symptom; if you're dosing repeatedly, talk to us about what's feeding the algae.\u003c\/p\u003e","brand":"PondMax","offers":[{"title":"8 oz","offer_id":52706045755704,"sku":null,"price":17.98,"currency_code":"USD","in_stock":true},{"title":"16 oz","offer_id":52706050933048,"sku":null,"price":25.98,"currency_code":"USD","in_stock":true},{"title":"32 oz","offer_id":52706050965816,"sku":null,"price":49.98,"currency_code":"USD","in_stock":true},{"title":"64 oz","offer_id":52706050998584,"sku":null,"price":70.98,"currency_code":"USD","in_stock":true},{"title":"1 Gallon","offer_id":52706093039928,"sku":null,"price":114.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6132\/2296\/files\/OIP.webp?v=1785272483","url":"https:\/\/www.champkoi.com\/products\/algaestop","provider":"Champion Nishikigoi","version":"1.0","type":"link"}