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Browse our full API range — 24 lawn, garden and outdoor products in stock, with free shipping on every US order and fast dispatch.

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API POND ACCU-CLEAR bottle ready for application to clarify pond water.

API

API POND ACCU-CLEAR Pond Water Clarifier – 1-Gallon Bottle

$87.83

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API Pond Master Test Kit 500-test bottles for pond water monitoring

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API Pond Master Test Kit 500-Test — Comprehensive Pond Water Testing

$47.33

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API POND ALGAEFIX 64oz bottle ready for pond algae control

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API POND ALGAEFIX Algae Control 64oz Bottle (FF-169D)

$59.14

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API POND ACCU-CLEAR bottle clarifies cloudy water in freshwater ponds.

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API POND ACCU-CLEAR Pond Water Clarifier – 64-Ounce Bottle (142D)

$61.63

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API POND ALGAEFIX bottle and label showing copper-free algae control safe for fish and plants.

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API POND ALGAEFIX (1 gallon) – Copper-Free Algae Control for Ponds, Fountains & Water Gardens

$96.13

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API Pondcare Algaefix bottle pour demonstrates easy algae treatment in ponds

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API Pondcare Algaefix Algae Control - 32 oz (Pack of 2)

$65.30

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API Pond Ecofix Sludge Destroyer bottle for clearer pond water.

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API Pond Ecofix Sludge Destroyer: Natural Bacteria Pond Cleaner 64 oz

$75.58

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API Pond Chlorine & Heavy Metal Neutralizer bottle front for freshwater pond use.

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API Pond Chlorine & Heavy Metal Neutralizer – 32-Ounce Bottle for Freshwater Ponds

$38.59

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API Pond Simply Clear 32oz bottle pour shows easy dosing for clearer pond water

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API Pondcare Simply Clear – 32-Ounce Pond Water Clarifier

$42.70

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API Pond-Zyme Sludge Destroyer bottle shown ready for spring start up to reduce pond sludge

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API Pond-Zyme Sludge Destroyer – 1-Pound Pond Cleaner with Barley

$36.46

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API Pond Accu-Clear bottle clarifier for freshwater ponds.

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API POND ACCU-CLEAR Pond Water Clarifier — 32-Ounce Bottle

$37.22

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API Pond Cleaner bottle showing active oxygen cleaning ponds and waterfalls.

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API Pond & Waterfall Cleaner – 2.2 lb Deep-Clean for Ponds & Fountains

$40.67

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API Pond Algaefix 32oz bottle ready to treat pond algae safely.

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API POND ALGAEFIX Algae Control 32-Oz Bottle – Safe Pond Treatment

$35.85

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API POND pH DOWN bottle shows 16-ounce size for safe pH reduction in ponds.

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API POND pH DOWN Pond Water pH Reducing Solution — 16-Ounce Bottle (Model 170B)

$32.14

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API Pond-Zyme Sludge Destroyer 8oz bottle shown for clearer pond water.

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API POND-ZYME Sludge Destroyer – Natural Pond Cleaner with Barley & Beneficial Bacteria (8 oz)

$29.00

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API POND ALGAEFIX bottle pour showing safe algae control for ponds

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API POND ALGAEFIX 16 fl oz – Copper-Free Algae Control for Ponds Up to 4,800 Gallons (EPA-Registered)

$22.84

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API POND SIMPLY CLEAR bottle 16oz for clear pond water and easy dosing.

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API Pond Simply Clear Pond Water Clarifier – 16-Ounce Bottle (248B)

$22.84

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API POND ACCU-CLEAR bottle front view showing clarity boost for freshwater ponds

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API POND ACCU-CLEAR Pond Water Clarifier — 16-Ounce Bottle

$20.10

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API POND chlorine-heavy metal neutralizer bottle for safe pond filling

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API Pond Chlorine & Heavy Metal Neutralizer - 16-Ounce Bottle | Safe Freshwater Pond Water

$22.15

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API POND 5in1 test strips box front for quick pond water checks

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API POND 5-IN-1 TEST STRIPS - 25-COUNT Pond Water Kit

$22.15

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API POND pH UP bottle raises pond pH gradually for healthier fish

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API POND pH UP Pond Water pH Raising Solution – 16 oz Bottle

$32.15

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API Root Tabs freshwater plant fertilizer promotes strong root development for vibrant aquarium plants.

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API Root Tabs Freshwater Aquarium Plant Fertilizer 0.4 oz Box - 10 Count

$15.26

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API POND ALGAEFIX bottle pouring into water to treat up to 2,400 gallons.

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API POND ALGAEFIX (8 fl oz) – Copper-Free Algae Control for Ponds

$17.37

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API POND SALT container front showing natural electrolyte support for pond fish

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API POND SALT Pond Water Salt 4.4-Pound Container – Natural Electrolyte for Pond Fish

$15.99

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Browse our full API range — 24 lawn, garden and outdoor products in stock, with free shipping on every US order and fast dispatch.

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