{"title":"Pond and Lake Algaecide","description":"\u003cstyle\u003e\n  .fd-collection-hero { max-width: 1400px; margin: 20px auto 35px; padding: 0 20px; }\n  .fd-hero-box { background: linear-gradient(135deg, #2f8cab 0%, #1f5d7f 100%); padding: 32px; border-radius: 4px; }\n  .fd-hero-inner { display: grid; grid-template-columns: 42% 58%; align-items: center; background: rgba(255,255,255,0.06); }\n  .fd-hero-image img { width: 100%; height: 360px; object-fit: contain; background:#ffffff; padding:20px; display: block; }\n  .fd-hero-content { padding: 38px 48px; color: #ffffff; }\n  .fd-hero-content h2 { font-size: 34px; line-height: 1.2; margin: 0 0 18px; font-weight: 800; color: #ffffff; text-transform: uppercase; }\n  .fd-hero-content p { font-size: 17px; line-height: 1.65; margin: 0 0 22px; color: #ffffff; }\n  .fd-hero-points { font-size: 15px; font-weight: 700; margin-bottom: 28px; color: #ffffff; }\n  .fd-hero-button { display: inline-block; background: #8cc63f; color: #000000; padding: 15px 28px; font-size: 15px; font-weight: 800; text-decoration: none; text-transform: uppercase; border-radius: 3px; }\n  .fd-hero-button:hover { background: #79b02e; color: #000000; }\n  @media screen and (max-width: 900px) {\n    .fd-hero-inner { grid-template-columns: 1fr; }\n    .fd-hero-image img { height: 260px; }\n    .fd-hero-content { padding: 28px 24px; }\n    .fd-hero-content h2 { font-size: 28px; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"fd-collection-hero\"\u003e\n  \u003cdiv class=\"fd-hero-box\"\u003e\n    \u003cdiv class=\"fd-hero-inner\"\u003e\n      \u003cdiv class=\"fd-hero-image\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0696\/8675\/5388\/files\/Gran_5e4f54f2-c5a8-4db2-ad51-017c42eb3173.webp?v=1774378379\" alt=\"Algae Armour phosphate-binding pond treatment for algae control in Canadian ponds\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"fd-hero-content\"\u003e\n        \u003ch2\u003ePond \u0026amp; Lake Algae Control\u003c\/h2\u003e\n        \u003cp\u003e\n          Searching for a pond algaecide? Most Canadian ponds get better,\n          longer-lasting results by treating what algae feeds on. This\n          collection is the full algae-control program: phosphate binders\n          that starve algae of nutrients, pond dye that limits the sunlight\n          it needs, and beneficial bacteria that digest the organic load\n          before it becomes next month's bloom.\n        \u003c\/p\u003e\n        \u003cdiv class=\"fd-hero-points\"\u003e\n          Phosphate Binders | Pond Dye | Beneficial Bacteria | Canada-Wide Shipping\n        \u003c\/div\u003e\n        \u003ca href=\"#collection-products\" class=\"fd-hero-button\"\u003eShop Algae Control\u003c\/a\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"max-width:1400px;margin:30px auto 40px;padding:0 20px;\"\u003e\n  \u003ch2 style=\"font-size:24px;font-weight:800;margin:0 0 14px;text-transform:uppercase;\"\u003eStop Algae at the Source\u003c\/h2\u003e\n  \u003cp style=\"font-size:15px;line-height:1.65;color:#444;margin:0 0 18px;\"\u003e\n    Contact algaecides are regulated pest-control products in Canada, and they only treat the algae you can see today.\n    Our approach — built on 50+ years of maintaining ponds and fountains across the GTA — works in three layers:\n  \u003c\/p\u003e\n  \u003cp style=\"font-size:15px;line-height:1.65;color:#444;margin:0 0 12px;\"\u003e\n    \u003cstrong\u003e1. Limit the light.\u003c\/strong\u003e \u003ca href=\"https:\/\/fountaindepot.com\/products\/pond-dye\"\u003eAquatics' Niagara Blue Pond Dye\u003c\/a\u003e\n    tints the water and reduces the sunlight penetration algae depends on — the classic preventive first step for ponds and lakes.\n  \u003c\/p\u003e\n  \u003cp style=\"font-size:15px;line-height:1.65;color:#444;margin:0 0 12px;\"\u003e\n    \u003cstrong\u003e2. Starve the bloom.\u003c\/strong\u003e \u003ca href=\"https:\/\/fountaindepot.com\/products\/algae-armour\"\u003eAlgae Armour\u003c\/a\u003e is a natural,\n    iron-based treatment that binds phosphates — the key nutrient fuelling unwanted algae growth. A single 2 kg pail treats\n    up to 500,000 gallons.\n  \u003c\/p\u003e\n  \u003cp style=\"font-size:15px;line-height:1.65;color:#444;margin:0 0 12px;\"\u003e\n    \u003cstrong\u003e3. Digest the leftovers.\u003c\/strong\u003e Beneficial bacteria — \u003ca href=\"https:\/\/fountaindepot.com\/products\/kasco-pond-probiotics-macro-zyme-beneficial-bacteria\"\u003eKasco Macro-Zyme\u003c\/a\u003e,\n    \u003ca href=\"https:\/\/fountaindepot.com\/products\/pond-probiotics-muck-pucks\"\u003eMuck Pucks\u003c\/a\u003e,\n    \u003ca href=\"https:\/\/fountaindepot.com\/products\/aquaspeherepro\"\u003eAquaSphere PRO\u003c\/a\u003e and fast-acting\n    \u003ca href=\"https:\/\/fountaindepot.com\/products\/blast\"\u003eBlast\u003c\/a\u003e — break down the muck, leaves and organic waste that feed future blooms.\n  \u003c\/p\u003e\n  \u003cp style=\"font-size:15px;line-height:1.65;color:#444;margin:0;\"\u003e\n    \u003cstrong\u003eMultiply all three with oxygen.\u003c\/strong\u003e A well-aerated pond resists algae naturally and needs fewer treatments over time —\n    see our \u003ca href=\"https:\/\/fountaindepot.com\/collections\/pond-lake-aeration\"\u003epond \u0026amp; lake aeration systems\u003c\/a\u003e or read\n    \u003ca href=\"https:\/\/fountaindepot.com\/blogs\/recent-blogs\/surface-aerator-vs-diffused-aeration-which-is-right-for-your-canadian-pond\"\u003esurface vs. diffused aeration for Canadian ponds\u003c\/a\u003e.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"max-width:1400px;margin:30px auto 40px;padding:0 20px;\"\u003e\n  \u003ch2 style=\"font-size:24px;font-weight:800;margin:0 0 20px;text-transform:uppercase;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n  \u003cdetails style=\"border-bottom:1px solid #e0e0e0;padding:14px 0;\"\u003e\n    \u003csummary style=\"font-size:16px;font-weight:700;cursor:pointer;\"\u003eDo I need an algaecide to get rid of pond algae?\u003c\/summary\u003e\n    \u003cdiv style=\"margin-top:10px;font-size:15px;line-height:1.65;color:#444;\"\u003eNot usually. Contact algaecides are regulated pest-control products in Canada and only address algae that has already grown. Most ponds get better long-term results from prevention: binding phosphates with Algae Armour, limiting sunlight with pond dye, and using beneficial bacteria to digest the organic load — supported by good aeration. That combination treats the cause instead of the symptom.\u003c\/div\u003e\n  \u003c\/details\u003e\n  \u003cdetails style=\"border-bottom:1px solid #e0e0e0;padding:14px 0;\"\u003e\n    \u003csummary style=\"font-size:16px;font-weight:700;cursor:pointer;\"\u003eHow does Algae Armour control algae if it isn't a contact algaecide?\u003c\/summary\u003e\n    \u003cdiv style=\"margin-top:10px;font-size:15px;line-height:1.65;color:#444;\"\u003eAlgae Armour is a natural, iron-based treatment that binds phosphates — the key nutrient that fuels algae growth. With phosphates locked up, new algae has little to feed on. One 2 kg pail treats ponds up to 500,000 gallons, and a 10 kg pail is available for lakes and large ponds.\u003c\/div\u003e\n  \u003c\/details\u003e\n  \u003cdetails style=\"border-bottom:1px solid #e0e0e0;padding:14px 0;\"\u003e\n    \u003csummary style=\"font-size:16px;font-weight:700;cursor:pointer;\"\u003eAre these algae-control treatments safe for fish?\u003c\/summary\u003e\n    \u003cdiv style=\"margin-top:10px;font-size:15px;line-height:1.65;color:#444;\"\u003eThe products in this collection are natural and biological treatments — pond dye, phosphate binders, and beneficial bacteria — and are safe for fish, pets and wildlife when applied at label rates. Always follow the label, and keep aeration running during heavy algae die-off, because decomposing algae consumes oxygen.\u003c\/div\u003e\n  \u003c\/details\u003e\n  \u003cdetails style=\"border-bottom:1px solid #e0e0e0;padding:14px 0;\"\u003e\n    \u003csummary style=\"font-size:16px;font-weight:700;cursor:pointer;\"\u003eWhen should I treat algae in Canada?\u003c\/summary\u003e\n    \u003cdiv style=\"margin-top:10px;font-size:15px;line-height:1.65;color:#444;\"\u003eAlgae growth in most of Canada peaks from mid-June through August. Start prevention in spring — pond dye and a routine dose of beneficial bacteria — and act at the first sign of growth rather than waiting for a full bloom. Fall cleanup with bacteria reduces the nutrient load that would otherwise feed next spring's algae.\u003c\/div\u003e\n  \u003c\/details\u003e\n  \u003cdetails style=\"border-bottom:1px solid #e0e0e0;padding:14px 0;\"\u003e\n    \u003csummary style=\"font-size:16px;font-weight:700;cursor:pointer;\"\u003eHow much treatment does my pond need?\u003c\/summary\u003e\n    \u003cdiv style=\"margin-top:10px;font-size:15px;line-height:1.65;color:#444;\"\u003eTreatments are sized by water volume. Estimate yours by multiplying average length × width × depth in feet, then by 7.48 to get US gallons. As reference points: one 2 kg pail of Algae Armour treats up to 500,000 gallons, and one 3 lb box of Blast (12 packets) treats up to 1.5 million gallons. Email Info@fountaindepot.com with your pond's dimensions for an exact plan.\u003c\/div\u003e\n  \u003c\/details\u003e\n  \u003cdetails style=\"border-bottom:1px solid #e0e0e0;padding:14px 0;\"\u003e\n    \u003csummary style=\"font-size:16px;font-weight:700;cursor:pointer;\"\u003eDoes Fountain Depot ship algae treatments across Canada?\u003c\/summary\u003e\n    \u003cdiv style=\"margin-top:10px;font-size:15px;line-height:1.65;color:#444;\"\u003eYes — orders ship across Canada from our Markham, Ontario location, typically arriving in 3 to 5 business days depending on province. Note that some liquid pond dyes cannot ship during freezing temperatures.\u003c\/div\u003e\n  \u003c\/details\u003e\n  \u003cdiv style=\"margin-top:24px;padding:20px;background:#f5f7f9;border-radius:4px;\"\u003e\n    \u003cp style=\"margin:0;font-size:15px;\"\u003eFighting a bloom right now? Email \u003ca href=\"mailto:Info@fountaindepot.com\"\u003eInfo@fountaindepot.com\u003c\/a\u003e a photo of your pond or call \u003ca href=\"tel:905-752-1226\"\u003e905-752-1226\u003c\/a\u003e — treatment plans backed by 50+ years of pond and fountain service in the GTA.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"fd-related-links\" style=\"max-width:1400px;margin:0 auto 40px;padding:0 20px;\"\u003e\n\u003cp style=\"font-size:15px;line-height:1.65;\"\u003e\u003cstrong\u003eRound out the program:\u003c\/strong\u003e browse the full \u003ca href=\"https:\/\/fountaindepot.com\/collections\/water-pond-treatment\"\u003ewater \u0026amp; pond treatment collection\u003c\/a\u003e for clarifiers and fish care, add \u003ca href=\"https:\/\/fountaindepot.com\/collections\/pond-lake-aeration\"\u003epond \u0026amp; lake aeration\u003c\/a\u003e to keep oxygen up, and for vegetation beyond what treatments handle, the \u003ca href=\"https:\/\/fountaindepot.com\/products\/gas-powered-aquatic-weed-cutter\"\u003egas-powered aquatic weed cutter\u003c\/a\u003e takes care of mechanical removal.\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"algae-armour","title":"Algae Armour Pond Treatment","description":"\u003cp\u003e\u003cspan style=\"font-weight:700;\"\u003eAlgae Armour\u003c\/span\u003e is a natural, iron-based pond treatment designed to help manage algae growth by binding phosphates, a key nutrient that fuels unwanted organic development. Applied evenly across the water surface, it works as it settles to the pond bottom, reducing nutrient availability and supporting cleaner, clearer water. Suitable for use as part of a broader pond maintenance program, it is \u003cspan style=\"font-weight:700;\"\u003esafe for plants, fish, mammals, and amphibians\u003c\/span\u003e and helps improve overall water quality and appearance.\u003c\/p\u003e","brand":"Arbourdale","offers":[{"title":"2 kg Pail (Treats 500k gal)","offer_id":44139071406140,"sku":"53002","price":197.0,"currency_code":"CAD","in_stock":true},{"title":"10 kg Pail","offer_id":44139071438908,"sku":"53010","price":1076.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/8675\/5388\/files\/Gran_5e4f54f2-c5a8-4db2-ad51-017c42eb3173.webp?v=1774378379"},{"product_id":"aquaspeherepro","title":"AquaSphere PRO","description":"\u003cp\u003e\u003cspan style=\"font-weight:700;\"\u003eAquaSphere PRO\u003c\/span\u003e is a natural bio-remediation treatment designed to break down organic material, clarify water, and reduce bottom sludge for a cleaner, healthier pond. Formulated with a proprietary blend of beneficial bacteria and enzymes, it works continuously once applied and is \u003cspan style=\"font-weight:700;\"\u003ecertified safe for people, pets, plants, fish, and amphibians\u003c\/span\u003e. The biodegradable treatment lasts up to 30 days, making it ideal for simple monthly maintenance in ponds and lakes of varying sizes.\u003c\/p\u003e","brand":"Arbourdale","offers":[{"title":"50k Gallons","offer_id":44139070685244,"sku":"51112","price":90.0,"currency_code":"CAD","in_stock":true},{"title":"250k Gallons","offer_id":44139070718012,"sku":"51113","price":130.0,"currency_code":"CAD","in_stock":true},{"title":"500k Gallons Retail","offer_id":44139070750780,"sku":"51116","price":165.0,"currency_code":"CAD","in_stock":true},{"title":"1M - Biodegradable 6\"","offer_id":44139070783548,"sku":"51150","price":252.0,"currency_code":"CAD","in_stock":true},{"title":"1.5M - Biodegradable 6\"","offer_id":44139070816316,"sku":"51160","price":337.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/8675\/5388\/files\/AGRASPHERE.jpg?v=1764783359"},{"product_id":"blast","title":"Blast","description":"\u003cp\u003e\u003cspan style=\"font-weight:700;\"\u003eBLAST\u003c\/span\u003e is a fast-acting biological pond treatment designed to break down organic waste, reduce sludge, and support clearer, healthier water. Each water-soluble pack contains a concentrated blend of beneficial bacteria that dissolves quickly for immediate action, making it ideal for jump-starting pond treatment programs or boosting ongoing maintenance. \u003cspan style=\"font-weight:700;\"\u003eEach pack treats up to 125,000 gallons\u003c\/span\u003e and is commonly used to help control algae, weeds, and excess organic buildup.\u003c\/p\u003e","brand":"Arbourdale","offers":[{"title":"Blast - 3 lb Box (12 packets) (treats up to 1.5 M gal)","offer_id":44139071864892,"sku":null,"price":286.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/8675\/5388\/files\/61HIxWKouwL._AC_SX569__1.jpg?v=1764783460"},{"product_id":"pond-probiotics-muck-pucks","title":"Pond Probiotics Macro-Zyme Muck Puck","description":"\u003cp\u003e\u003cspan style=\"font-weight:700;\"\u003eKasco Pond Probiotics Muck Pucks\u003c\/span\u003e are a safe, non-chemical solution for improving water quality by breaking down organic sludge, muck, and odors in pond environments. Formulated with a highly concentrated blend of naturally occurring bacteria and enzymes, they support a balanced ecosystem and cleaner pond bottoms as part of ongoing maintenance programs. Designed for easy application in water above 55°F, these \u003cspan style=\"font-weight:700;\"\u003eslow-release biological treatments\u003c\/span\u003e provide long-lasting performance and have a shelf life of at least two years.\u003c\/p\u003e","brand":"Kasco","offers":[{"title":"7 lb. pail - 266 pucks","offer_id":44044982321212,"sku":"PP-MUCK-2.5KG","price":142.1,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/8675\/5388\/files\/51LaCFSaMFL._AC_UF1000_1000_QL80.png?v=1771864535"},{"product_id":"pond-dye","title":"Aquatics' Niagara Blue Pond Dye Colourants","description":"\u003cp\u003e\u003cspan style=\"font-weight:700;\"\u003eBlue Pond Dye\u003c\/span\u003e is formulated to add an attractive blue tint to pond water while helping reduce sunlight penetration. It is commonly used to improve appearance, shade the water column, and support ongoing pond maintenance programs.\u003c\/p\u003e","brand":"Arbourdale","offers":[{"title":"Blue Pond 5 Pack","offer_id":44139144675388,"sku":null,"price":89.0,"currency_code":"CAD","in_stock":true},{"title":"Blue Pond 10 Pack","offer_id":44139144708156,"sku":null,"price":165.0,"currency_code":"CAD","in_stock":true},{"title":"Blue Pond 36 Pack","offer_id":44139144740924,"sku":null,"price":576.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/8675\/5388\/files\/Pi7_image_1_96e8b60d-32b4-48dc-8ba4-2d15d5b20b1e.png?v=1775492717"},{"product_id":"aquascape-alkalinity-booster-with-phosphate-binder","title":"Aquascape Alkalinity Booster with Phosphate Binder","description":"\u003cp\u003eAquascape Alkalinity Booster with Phosphate Binder is designed to efficiently increase pond alkalinity.\u003c\/p\u003e","brand":"Aquascape","offers":[{"title":"Default Title","offer_id":45392996466748,"sku":null,"price":43.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/8675\/5388\/files\/96028_FRNT_300dpi_AlkalinityBooster9lb-550x550-min__59338.1709074352.jpg?v=1778592674"},{"product_id":"aquascape-ammonia-neutralizer","title":"Aquascape Ammonia Neutralizer","description":"\u003cp\u003eAquascape Ammonia Neutralizer is a powerful solution designed to make pond water safe for fish and plants by detoxifying chloramine and ammonia.\u003c\/p\u003e","brand":"Aquascape","offers":[{"title":"Default Title","offer_id":45393004658748,"sku":null,"price":27.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/8675\/5388\/files\/shopping_3_-_Edited__75650.1672780428__97006.1674758724.png?v=1778592675"},{"product_id":"aquascape-wetland-pond-and-lake-bacteria-contractor-grade-1-gal","title":"Wetland Pond \u0026 Lake Bacteria Contractor Grade","description":"\u003cp\u003eAquascape Wetland Pond and Lake Bacteria supports clear, healthy water in larger water features. \u003cstrong\u003eContractor Grade - 1 gal\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Aquascape","offers":[{"title":"Default Title","offer_id":45393098768444,"sku":null,"price":149.59,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/8675\/5388\/files\/Wetland_Pond_Lake_Bacteria__97918.1607531180.jpg?v=1778593237"},{"product_id":"aquascape-black-pond-dye-8-oz-236-ml","title":"Aquascape Black Pond Dye - 8 oz \/ 236 ml","description":"\u003cp\u003eAquascape Black Pond Dye enhances pond appearance. This product will not ship during freezing temperatures.\u003c\/p\u003e","brand":"Aquascape","offers":[{"title":"Default Title","offer_id":45393098866748,"sku":null,"price":21.59,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/8675\/5388\/files\/Black_Pond_Dye__55133_-_Edited__52797.1674063587__68945.1674759930.png?v=1778593238"},{"product_id":"aquascape-blue-pond-dye-8-oz-236-ml","title":"Aquascape Blue Pond Dye - 8 oz \/ 236 ml","description":"\u003cp\u003eAquascape Blue Pond Dye enhances pond beauty and functionality. This product will not ship during freezing temperatures.\u003c\/p\u003e","brand":"Aquascape","offers":[{"title":"Default Title","offer_id":45393098899516,"sku":null,"price":22.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/8675\/5388\/files\/Blue_Pond_Dye__73582_-_Edited__22959.1674063698__21825.1674760131.png?v=1778593238"},{"product_id":"kasco-pond-probiotics-macro-zyme-beneficial-bacteria","title":"Kasco Pond Probiotics Macro-Zyme Beneficial Bacteria","description":"\u003cp\u003e\u003cspan style=\"font-weight:700;\"\u003eKasco Pond Probiotics Macro-Zyme Beneficial Bacteria\u003c\/span\u003e is a safe, non-chemical approach to water quality management, chosen by pond professionals since 1991. Its \u003cspan style=\"font-weight:700;\"\u003ehighly concentrated blend of naturally occurring bacteria and enzymes\u003c\/span\u003e quickly breaks down sludge, muck, fish waste, and odours to produce a \u003cspan style=\"font-weight:700;\"\u003ehealthy, balanced pond ecosystem\u003c\/span\u003e.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormats:\u003c\/strong\u003e quick-dissolving 8 oz water-soluble bags (treats 1\/2 acre-ft each, reapply every 3 weeks), case of 40 bags (up to 20 acre-ft), 25 lb bulk pail (up to 25 acre-ft), and time-release 6 lb Muck Block (up to 6 acre-ft, reapply every 30 days)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e non-toxic to humans, fish, wildlife, and livestock; safe for irrigation ponds; no permit required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e simply apply in water 55°F (13°C) or warmer and let the bacteria go to work\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat it treats:\u003c\/strong\u003e eliminates fish waste, digests organic compounds, and removes decaying grass and leaves\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e at least 2 years\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich format is right for your pond?\u003c\/h3\u003e\u003cp\u003eUse 8 oz bags for small to medium ponds and regular dosing through the season; choose the Muck Block for medium to large ponds and feeder streams needing monthly treatment; and pick the case or 25 lb bulk pail for large ponds or season-long programs. For spot treatment around docks and swim areas, see our \u003ca href=\"https:\/\/fountaindepot.com\/products\/pond-probiotics-muck-pucks\"\u003eMacro-Zyme Muck Pucks\u003c\/a\u003e. Email \u003ca href=\"mailto:Info@fountaindepot.com\"\u003eInfo@fountaindepot.com\u003c\/a\u003e with your pond size for a dosing recommendation backed by 50+ years of pond service experience.\u003c\/p\u003e\u003ch3\u003eMake it work harder\u003c\/h3\u003e\u003cp\u003eAll Macro-Zyme formats become significantly more effective when combined with aeration — pair with a \u003ca href=\"https:\/\/fountaindepot.com\/collections\/kasco-surface-aerator\"\u003eKasco surface aerator\u003c\/a\u003e or diffused aeration system for best results.\u003c\/p\u003e\u003ch3\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\u003cp\u003eShips across Canada from stock — delivery typically takes 3 to 5 business days depending on province. Contact us to arrange returns of unopened product within the applicable return period.\u003c\/p\u003e","brand":"Kasco","offers":[{"title":"8 oz Water-Soluble Bag","offer_id":45770945855548,"sku":"MZ8","price":20.3,"currency_code":"CAD","in_stock":true},{"title":"6 lb Muck Block","offer_id":45770945888316,"sku":"MZMB5","price":133.4,"currency_code":"CAD","in_stock":true},{"title":"Case of 40 x 8 oz Bags","offer_id":45770945921084,"sku":"MZ8C","price":790.25,"currency_code":"CAD","in_stock":true},{"title":"25 lb Bulk Pail","offer_id":45770945953852,"sku":"MZ25","price":870.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/8675\/5388\/files\/Kasco-Marine-Macro-Zyme-Block.jpg?v=1783115766"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/8675\/5388\/collections\/quiz-Gran_03f09ecf-fbef-46a1-b4eb-6b3b299cdfb7.webp?v=1779895557","url":"https:\/\/fountaindepot.com\/collections\/algaecides.oembed?page=2","provider":"Fountain Depot","version":"1.0","type":"link"}