{"title":"Pond Muck \u0026 Sludge Removers","description":"\u003cp\u003eCompare pond muck and sludge removers for organic bottom buildup such as decomposing leaves, fish waste and other organic debris. Choose a format based on pond size, season and application preference.\u003c\/p\u003e\n\u003ch2\u003eChoose a treatment format\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSinking tablets\u003c\/strong\u003e deliver treatment directly to targeted bottom areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMini-tabs\u003c\/strong\u003e provide smaller portions for water gardens, shorelines and small ponds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiquid sludge treatments\u003c\/strong\u003e distribute through the treated water volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold-water formulas\u003c\/strong\u003e support seasonal care within their stated temperature range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese products are intended for organic material, not mineral soil, clay or construction sediment. For general biological care, compare \u003ca href=\"\/collections\/beneficial-bacteria\"\u003eBeneficial Bacteria for Ponds\u003c\/a\u003e. For fall and winter use, visit \u003ca href=\"\/collections\/cold-water-pond-bacteria\"\u003eCold-Water Pond Bacteria\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eBefore applying\u003c\/h2\u003e\n\u003cp\u003eEstimate pond volume with the \u003ca href=\"\/pages\/pond-calculator\"\u003ePond Calculator\u003c\/a\u003e, identify the areas with organic buildup and follow the product-specific coverage and application directions.\u003c\/p\u003e\n\u003ch2\u003eCommon questions\u003c\/h2\u003e\n\u003ch3\u003eWhat type of muck can these treatments address?\u003c\/h3\u003e\n\u003cp\u003eThey are designed for organic bottom material. Mineral sediment and soil require different corrective steps.\u003c\/p\u003e\n\u003ch3\u003eShould I choose tablets or liquid?\u003c\/h3\u003e\n\u003cp\u003eTablets are useful for targeted bottom placement. Liquids are useful when treatment should be distributed through the specified water volume.\u003c\/p\u003e","products":[{"product_id":"ultraclear-muck-digester-4-lbs","title":"UltraClear Muck Digester Tabs – Pond \u0026 Lake Sludge Remover","description":"\u003cp\u003e\u003cstrong\u003eTarget muck where it collects: on the pond bottom.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eUltraClear Muck Digester Tabs sink through the water to help break down organic sludge, leaves, fish waste and other debris. A blend of nine beneficial bacteria strains and enzymes supports a cleaner pond bottom and helps reduce the odors associated with organic buildup.\u003c\/p\u003e\u003ch2\u003eBottom-focused pond care\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReach settled debris:\u003c\/strong\u003e sinking tablets deliver beneficial bacteria directly to the muck layer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce organic buildup:\u003c\/strong\u003e helps digest leaves, fish waste and decomposing material.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreat problem areas:\u003c\/strong\u003e distribute around shorelines, coves and across the pond.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple application:\u003c\/strong\u003e count the recommended tablets and toss them in; no premixing needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFish-friendly care:\u003c\/strong\u003e safe for fish, aquatic plants and wildlife when used as directed. Made in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/2644\/5444\/files\/494b07a3-9e8b-4468-931f-edcd632ee131.__CR0_162_1248_386_PT0_SX970_V1.jpg?v=1790631199\" alt=\"Illustration of Muck Digester tablets sinking to organic debris on the pond bottom\" width=\"970\" height=\"300\" loading=\"lazy\" style=\"max-width: 100%; height: auto;\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/2644\/5444\/files\/494b07a3-9e8b-4468-931f-edcd632ee131.__CR0_162_1248_386_PT0_SX970_V1.jpg?v=1790631199\" data-mce-style=\"max-width: 100%; height: auto;\"\u003e\u003cfigcaption\u003eSinking tablets deliver bacteria and enzymes to bottom buildup. Illustration of the treatment process.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003ch2\u003eDosing by pond size\u003c\/h2\u003e\u003cp\u003eFor ponds averaging 4 feet deep, distribute tablets evenly across the treatment area during the active season:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/4 surface acre:\u003c\/strong\u003e 16 tabs (1 lb) per treatment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/2 surface acre:\u003c\/strong\u003e 32 tabs (2 lb) per treatment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 surface acre:\u003c\/strong\u003e 64 tabs (4 lb) per treatment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRepeat every 2–4 weeks according to the label and pond conditions. For small decorative ponds under 1,000 gallons, use 6 tabs every 4 weeks, or every 2 weeks for problem ponds, following the package directions. For unusual depths or uncertain sizing, \u003ca href=\"\/pages\/contact\" data-mce-href=\"\/pages\/contact\"\u003econtact UltraClear for dosing help\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eChoose your supply\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e6-tab pack\u003c\/li\u003e\n\u003cli\u003e2 lb: approximately 32 tabs\u003c\/li\u003e\n\u003cli\u003e4 lb: approximately 64 tabs\u003c\/li\u003e\n\u003cli\u003e8 lb: approximately 128 tabs\u003c\/li\u003e\n\u003cli\u003e12.5 lb: approximately 200 tabs\u003c\/li\u003e\n\u003cli\u003e25 lb: approximately 400 tabs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose a container based on your treatment area and the number of repeat applications you need.\u003c\/p\u003e\u003ch2\u003eCommon questions\u003c\/h2\u003e\u003ch3\u003eWhere should I put the tablets?\u003c\/h3\u003e\u003cp\u003eDistribute them evenly around the pond edge and toward the center, including areas where organic muck collects. The tablets sink to the bottom.\u003c\/p\u003e\u003ch3\u003eDo I need to mix them first?\u003c\/h3\u003e\u003cp\u003eNo. Apply the recommended number of tablets directly to the water.\u003c\/p\u003e\u003ch3\u003eWhat about cold-season pond care?\u003c\/h3\u003e\u003cp\u003eFor fall, winter and early spring care in cold water, see \u003ca href=\"\/products\/ultraclear-autumn-prep\" data-mce-href=\"\/products\/ultraclear-autumn-prep\"\u003eUltraClear Cold Water Muck \u0026amp; Sludge Remover\u003c\/a\u003e and follow its separate dosing directions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated guide:\u003c\/strong\u003e \u003ca href=\"\/blogs\/pondsense\/how-to-remove-pond-muck-and-sludge\"\u003eHow to Remove Pond Muck and Sludge\u003c\/a\u003e\u003c\/p\u003e","brand":"UltraClear","offers":[{"title":"1\/2lbs (6 Tabs)","offer_id":50888656224388,"sku":"42910","price":24.99,"currency_code":"USD","in_stock":true},{"title":"2lbs (32 Tabs)","offer_id":50875800748164,"sku":"42900","price":49.99,"currency_code":"USD","in_stock":true},{"title":"4lbs (64 Tabs)","offer_id":50875800780932,"sku":"42905","price":89.99,"currency_code":"USD","in_stock":true},{"title":"8lbs (128 Tabs)","offer_id":50875800813700,"sku":"42906","price":149.99,"currency_code":"USD","in_stock":true},{"title":"12.5lbs (200 Tabs)","offer_id":50875811856516,"sku":"42913","price":219.99,"currency_code":"USD","in_stock":true},{"title":"25lbs (400 Tabs)","offer_id":50875813494916,"sku":"42907","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/2644\/5444\/files\/ultraclear-muck-digester-tabs-biological-sludge-digester-tablets-9845006.jpg?v=1759526557"},{"product_id":"ultraclear-muck-digester-mini-tabs","title":"UltraClear Muck Digester Mini-Tabs – Small Pond Sludge Remover","description":"\u003cp\u003e\u003cstrong\u003eSmall tablets for targeted pond-bottom care.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eUltraClear Muck Digester Mini-Tabs help reduce organic sludge in small ponds, water gardens, shallow zones and shoreline areas. Each 3-gram tablet delivers beneficial bacteria where leaves, fish waste and other debris collect.\u003c\/p\u003e\u003ch2\u003eReach the areas that need attention\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget settled waste:\u003c\/strong\u003e sinking mini tablets reach organic buildup on the bottom.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport biological breakdown:\u003c\/strong\u003e nine beneficial bacteria strains and enzymes help digest debris.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit smaller treatment areas:\u003c\/strong\u003e the mini format makes it easier to distribute a measured dose around koi ponds, water gardens and coves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple pond care:\u003c\/strong\u003e apply directly without premixing; safe for fish and aquatic plants when used as directed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/2644\/5444\/files\/494b07a3-9e8b-4468-931f-edcd632ee131.__CR0_162_1248_386_PT0_SX970_V1.jpg?v=1790631199\" alt=\"Illustration of beneficial bacteria tablets sinking to organic debris on the pond bottom\" width=\"970\" height=\"300\" loading=\"lazy\" style=\"max-width: 100%; height: auto;\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/2644\/5444\/files\/494b07a3-9e8b-4468-931f-edcd632ee131.__CR0_162_1248_386_PT0_SX970_V1.jpg?v=1790631199\" data-mce-style=\"max-width: 100%; height: auto;\"\u003e\u003cfigcaption\u003eSinking tablets target organic buildup on the pond bottom. Illustration of the treatment process.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003ch2\u003eSmall-pond dosing\u003c\/h2\u003e\u003cp\u003eFollow your package directions and measure for the water volume being treated. The small-pond routine is:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e500 gallons:\u003c\/strong\u003e 1–2 mini-tabs weekly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,000 gallons:\u003c\/strong\u003e 3 mini-tabs weekly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5,000 gallons:\u003c\/strong\u003e 15 mini-tabs weekly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10,000 gallons:\u003c\/strong\u003e 30 mini-tabs weekly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProblem ponds:\u003c\/strong\u003e up to 6 mini-tabs per 1,000 gallons weekly, as directed on the label.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed help with a larger shoreline or cove treatment? \u003ca href=\"\/pages\/contact\" data-mce-href=\"\/pages\/contact\"\u003eContact UltraClear for dosing guidance\u003c\/a\u003e. Surface area and water volume are different measurements; use the directions appropriate to your treatment area.\u003c\/p\u003e\u003ch2\u003eChoose your supply\u003c\/h2\u003e\u003cp\u003eAvailable in 151-, 300-, 725- and 1,200-tab sizes. Choose based on your dose and how many repeat applications you need.\u003c\/p\u003e\u003ch2\u003eCommon questions\u003c\/h2\u003e\u003ch3\u003eWhen do Mini-Tabs work best?\u003c\/h3\u003e\u003cp\u003eUse during the active pond season when water is 55°F or warmer. For colder water, see \u003ca href=\"\/products\/ultraclear-autumn-prep\" data-mce-href=\"\/products\/ultraclear-autumn-prep\"\u003eCold Water Muck \u0026amp; Sludge Remover\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eHow are Mini-Tabs different from regular Muck Digester Tabs?\u003c\/h3\u003e\u003cp\u003eMini-Tabs are 3 grams each for smaller ponds and targeted areas. \u003ca href=\"\/products\/ultraclear-muck-digester-4-lbs\" data-mce-href=\"\/products\/ultraclear-muck-digester-4-lbs\"\u003eRegular Muck Digester Tabs\u003c\/a\u003e are larger tablets suited to broader pond and lake treatment. Follow each product's own dosing instructions.\u003c\/p\u003e\u003ch3\u003eWhere should I apply them?\u003c\/h3\u003e\u003cp\u003eDistribute the measured dose across the intended area, focusing on places where organic debris collects.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated guide:\u003c\/strong\u003e \u003ca href=\"\/blogs\/pondsense\/how-to-remove-pond-muck-and-sludge\"\u003eHow to Remove Pond Muck and Sludge\u003c\/a\u003e\u003c\/p\u003e","brand":"UltraClear","offers":[{"title":"151 Tabs","offer_id":50879593644164,"sku":"42903","price":29.99,"currency_code":"USD","in_stock":true},{"title":"725 Tabs","offer_id":50879593676932,"sku":"42922","price":99.99,"currency_code":"USD","in_stock":true},{"title":"1200 Tabs","offer_id":51090615271556,"sku":"42925","price":149.99,"currency_code":"USD","in_stock":true},{"title":"300 Tabs","offer_id":52589184843908,"sku":"42923","price":49.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/2644\/5444\/files\/613mmOJ-YeL._AC_SL1254.jpg?v=1790636341"},{"product_id":"ultraclear-sludge-digester","title":"UltraClear Sludge Digester – Liquid Pond Muck Remover","description":"\u003cp\u003e\u003cstrong\u003ePour-in biological care for pond muck and organic buildup.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eUltraClear Sludge Digester uses beneficial bacteria and enzymes to help break down fish waste, leaves, dead algae and other organic debris. Its liquid formula disperses through the water to support a cleaner pond and help reduce odors over successive treatments.\u003c\/p\u003e\u003ch2\u003eSimple liquid care from surface to sediment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigest organic waste:\u003c\/strong\u003e helps reduce the material that accumulates as pond muck.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReach across the pond:\u003c\/strong\u003e pour-in application distributes the formula through the water column.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcentrated dosing:\u003c\/strong\u003e 1 fl oz treats 1,000 gallons at the maintenance rate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy routine:\u003c\/strong\u003e shake, measure and pour evenly around the pond edge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e safe for fish, aquatic plants and wildlife when used as directed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoose your treatment routine\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e 1 fl oz per 1,000 gallons every 2 weeks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProblem ponds:\u003c\/strong\u003e double the maintenance dose, following the label.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring startup:\u003c\/strong\u003e apply the label dose daily for 4–7 consecutive days, then switch to maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse when water is above 55°F. Shake well before measuring and distribute evenly. Confirm pond volume with our \u003ca href=\"\/pages\/pond-calculator\" data-mce-href=\"\/pages\/pond-calculator\"\u003epond calculator\u003c\/a\u003e and follow the directions on your bottle.\u003c\/p\u003e\u003ch2\u003eUnderstand bottle coverage\u003c\/h2\u003e\u003cp\u003eAt 1 fl oz per 1,000 gallons, a 32 fl oz bottle provides 32 maintenance doses for a 1,000-gallon pond, or one dose for 32,000 gallons. A 1-gallon bottle provides 128 fl oz of product. Startup and double-dose treatments use more product.\u003c\/p\u003e\u003ch2\u003eCommon questions\u003c\/h2\u003e\u003ch3\u003eHow does liquid differ from tablets?\u003c\/h3\u003e\u003cp\u003eThe liquid disperses through the pond water. \u003ca href=\"\/products\/ultraclear-muck-digester-4-lbs\" data-mce-href=\"\/products\/ultraclear-muck-digester-4-lbs\"\u003eMuck Digester Tabs\u003c\/a\u003e sink to place bacteria directly in bottom treatment areas. Use the dosing instructions for the format you choose.\u003c\/p\u003e\u003ch3\u003eWill one application remove all muck?\u003c\/h3\u003e\u003cp\u003eBiological breakdown takes place over successive treatments. Follow the routine for your pond conditions and organic load.\u003c\/p\u003e\u003ch3\u003eWhat should I use in cold water?\u003c\/h3\u003e\u003cp\u003eFor fall, winter and early spring, use a cold-water product such as \u003ca href=\"\/products\/ultraclear-autumn-prep\" data-mce-href=\"\/products\/ultraclear-autumn-prep\"\u003eCold Water Muck \u0026amp; Sludge Remover\u003c\/a\u003e with its own directions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated guide:\u003c\/strong\u003e \u003ca href=\"\/blogs\/pondsense\/how-to-remove-pond-muck-and-sludge\"\u003eHow to Remove Pond Muck and Sludge\u003c\/a\u003e\u003c\/p\u003e","brand":"UltraClear","offers":[{"title":"12 oz","offer_id":50888700821636,"sku":"47120","price":19.99,"currency_code":"USD","in_stock":true},{"title":"32 oz","offer_id":50888700854404,"sku":"47125","price":29.99,"currency_code":"USD","in_stock":true},{"title":"1 Gallon","offer_id":50888700887172,"sku":"47130","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/2644\/5444\/files\/51HoJke4QvL._AC_SL1500.jpg?v=1790640087"},{"product_id":"large-pond-treatment-kit-for-clear-water-muck-free-bottom-1-4-acre","title":"UltraClear Large Pond Treatment Kit – Clarifier \u0026 Muck Digester","description":"\u003ch2\u003eTwo-part biological care for water clarity and bottom muck\u003c\/h2\u003e\u003cp\u003eUltraClear Large Pond Treatment Kit pairs Biological Pond Clarifier with sinking Muck Digester Tabs. The liquid introduces beneficial bacteria into the water, while the tablets deliver bacteria and enzymes to organic buildup along the pond bottom.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTwo complementary treatments in one pond-care kit.\u003c\/li\u003e\n\u003cli\u003eSupports clearer water and the breakdown of organic muck.\u003c\/li\u003e\n\u003cli\u003ePour the liquid around the pond perimeter and toss tablets into problem areas.\u003c\/li\u003e\n\u003cli\u003eChoose a treatment size from 1\/4 acre through 1 acre.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoose your kit\u003c\/h2\u003e\u003cp\u003eSelect the treatment size that matches your pond. The 1\/4-acre kit includes 1 gallon of Biological Pond Clarifier and 1 lb of Muck Digester Tabs; the 1-acre kit includes 4 gallons of Clarifier and 4 lb of Tabs. These kits provide a one-month treatment supply when used as directed. The selector also offers 1\/2-acre and 3\/4-acre options.\u003c\/p\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eFollow each included product’s label for the dose and application schedule.\u003c\/li\u003e\n\u003cli\u003eDistribute Biological Pond Clarifier around the pond perimeter.\u003c\/li\u003e\n\u003cli\u003eToss Muck Digester Tabs along shorelines, docks and areas with accumulated organic material.\u003c\/li\u003e\n\u003cli\u003eMaintain circulation and aeration, and monitor clarity and bottom buildup over time.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eCommon questions\u003c\/h2\u003e\u003ch3\u003eWhy use two products?\u003c\/h3\u003e\u003cp\u003eThe liquid works throughout the water while the sinking tabs target the pond bottom. Together, they address water clarity and accumulated organic material.\u003c\/p\u003e\u003ch3\u003eHow quickly will I see results?\u003c\/h3\u003e\u003cp\u003eBiological treatment works gradually. Results depend on water temperature, organic load, aeration and consistent application; heavy buildup takes longer.\u003c\/p\u003e\u003ch3\u003eWhich temperature guidance should I follow?\u003c\/h3\u003e\u003cp\u003eFollow the labels on both products. Bacterial activity slows in colder water; for a dedicated cold-season option, see \u003ca href=\"\/products\/ultraclear-autumn-prep\"\u003eCold Water Muck \u0026amp; Sludge Remover\u003c\/a\u003e.\u003c\/p\u003e","brand":"UltraClear","offers":[{"title":"1\/4 Acre","offer_id":51608854069380,"sku":"41200","price":69.99,"currency_code":"USD","in_stock":true},{"title":"1\/2 Acre","offer_id":51608863768708,"sku":null,"price":129.99,"currency_code":"USD","in_stock":true},{"title":"3\/4 Acre","offer_id":51608866291844,"sku":null,"price":179.99,"currency_code":"USD","in_stock":true},{"title":"1 Acre","offer_id":51608869535876,"sku":null,"price":229.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/2644\/5444\/files\/LargePondTreatentHeroe_2.png?v=1773159893"}],"url":"https:\/\/www.ultraclear.com\/collections\/pond-muck-sludge-removers.oembed","provider":"UltraClear","version":"1.0","type":"link"}