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ALL API PRODUCTS

Effectively controls many types of green or green water algae, string or hair algae and blanket weed in ponds that contain live plants. Controls existing algae and helps resolve additional algae blooms. Keeps ornamental ponds and water gardens clean & clear. Can be used in ponds with plants!

This product works very well and doesn't harm your aquatic plants or fish when used according to label instructions. Ensure that water is well aerated via waterfall, fountain or other method to prevent fish loss. Aeration must be continuous. Not safe for use with snails, shrimp and other crustaceans or mollusks.

API Pond AlgaeFix Application Rates
Add one dose every three days until algae is under control (usually 3-4 doses) and then once per week to prevent the return of algae.
Add 1 tsp per 50 gallons Add 1/4 cup per 600 gallons
Add in an area of high water circulation & aeration
AlgaeFix can be mixed in a bucket of pond water & dispersed around pond
API Pond AlgaeFix

API Pond AlgaeFix

  SKU Size Treats (up to) Add
API Pond AlgaeFix 8 oz (MPN 169A)
$16.28 $11.48 | 29 Points
81691
8 oz
2,400 gallons
Pond Care AlgaeFix 16 oz (MPN 169B)
$21.78 $15.48 | 39 Points
80169
16 oz
4,800 gallons
API Pond AlgaeFix 32 oz (MPN 169G)
$34.98 $24.98 | 62 Points
07169
32 oz
9,600 gallons
04169
64 oz
19,200 gallons
Pond Care AlgaeFix 1 gallon (MPN 169C)
$96.98 $68.98 | 172 Points
03169
1 gallon
38,400 gallons
API Pond AlgaeFix 2 1/2 gallon (MPN 169J)
$195.98 $139.98 | 350 Points
10169
2.5 gallons
96,000 gallons

Clears cloudy pond water fast in your water garden

Maintains crystal-clear pond water. Quickly clears cloudy pond water. Helps filters function more efficiently. Works by causing tiny suspended cloud particles in pond water to clump together. The clusters quickly fall to the bottom. Use Pond Zyme Plus or EcoFix along with Accu-Clear for incomparable pond cleanliness.

API Pond Accu-Clear Application Rates
1 teaspoon treats1/4 cup treats
50 gallons of pond water 600 gallons of pond water
Before using Accu-Clear, make certain that the pond has vigorous aeration via a fountain, waterfall or aeration device. During hot summer months, pond water contains very little oxygen. In sunlight, algae and submerged plants produce oxygen, and in some cases may be the major source of oxygen in the pond. However, submerged plants and algae consume oxygen at night. Organic matter also consumes oxygen while decomposing. When organic matter is removed by the filter or settles to the bottom of the pond, the oxygen level may drop to harmful levels if adequate aeration is not provided. Therefore, when using Accu-Clear during the warm summer months, adequate aeration is required to avoid fish death. Do not shut off pond pumps or aeration devices at night. Aeration must be provided for pond life at all times. When used as directed, Accu-Clear is non-toxic to fish and plants. If adequate aeration is provided, oxygen levels will not drop to harmful levels.
DO NOT OVERDOSE
API Pond Accu-Clear

API Pond Accu-Clear

  SKU Size Treats (up to) Add
API Pond AccuClear 16 oz. (MPN 142B)
$18.98 $13.48 | 34 Points
05142
16 oz
4,800 gallons
API Pond AccuClear 32 oz. (MPN 142G)
$36.48 $25.98 | 65 Points
07142
32 oz
9,600 gallons
API Pond AccuClear 64 oz (MPN 142D)
$64.48 $45.98 | 115 Points
03142
64 oz
19,200 gallons
API Pond AccuClear 1 gallon (MPN 142C)
$92.48 $65.98 | 165 Points
09142
1 gallon
38,400 gallons
Out of Stock

Fish and Water Conditioner

  • Instantly removes chlorine and chloramine.
  • Protects fish and assists in healing of fish wounds.

Stress Coat completely neutralizes and removes chlorine, chloramine & the ammonia associated with chloramine, which is added to tap water. Chloramine is toxic to fish as it is a molecule of chlorine and ammonia. Many water conditioners mainly break the bond, releasing the toxic associated ammonia. API Pond Stress Coat Plus+ special formula containing a slime coat replenisher and Aloe Vera, not only eases stress but also promotes the healing of damaged fish tissue and detoxifies heavy metals from tap water. Recommended for use whenever adding new water or new fish to a pond.

API Pond Stress Coat Dosage
To Remove & Neutralize Chlorine & Chloramines Use whenever tap water is added to the pond. Add 40ml per 160 gallons of pond water. For larger ponds, add 1/2 cup for each 480 gallons of pond water to remove chlorine and chloramine. In areas where water supply companies use high concentrations of chloramine, the dose should be doubled for added protection to your fish.
To Protect Fish Add 40ml per 80 gallons of pond water to protect fish. For larger ponds, use 1/2 cup for each 240 gallons to protect fish.
Dose daily for 7 days. Treatment may be continued if necessary.
Foaming may occur during the treatment. When exposed to elevated temperatures, this product may turn cloudy in the bottle; this does not affect the activity of the product.
API Pond Stress Coat

API Pond Stress Coat

  SKU Size Treats (up to) Add
API Pond Stress Coat 16 oz. (MPN 140B)
$17.48 $12.48 | 31 Points
05140
16 oz
1,920 gallons
API Pond Stress Coat 32 oz. (MPN 140G)
$36.48 $25.98 | 65 Points
07140
32 oz
3,840 gallons
API Pond Stress Coat 64 oz (MPN 140D)
$61.78 $43.98 | 110 Points
04140
64 oz
7,680 gallons
Out of Stock
API Pond Stress Coat 1 gallon (MPN 140C)
$103.48 $73.98 | 185 Points
28140
1 gallon
15,360 gallons
Out of Stock

API Pond Ecofix Sludge Destroyer reduces pond maintenance by breaking down fish waste and dead algae, as well as working to increase the concentration of dissolved oxygen in pond water by eliminating sludge build-up. The result is cleaner, clearer pond water and a healthier ecosystem for pond fish.

API Pond EcoFix Dosage
Inital Dose or Quick Clean-Up Add 4 tbsp. per 250 gallons 2 times per week for 2 weeks
Maintenance Dose Add 4 tbsp. per 250 gallons every two weeks.
End of Season Dose Add 4 tbsp. per 250 gallons 2 times per week for 2 weeks
API Pond Ecofix Sludge Destroyer

API Pond Ecofix Sludge Destroyer

  SKU Size Treats (up to) Add
API Pond Ecofix 16 oz. (MPN 147B)
$23.98 $16.98 | 42 Points
02147
16 oz
4,000 gallons
API Pond Ecofix 64 oz. (MPN 147D)
$75.78 $53.98 | 135 Points
04147
64 oz
16,000 gallons
API Pond Ecofix gallon (MPN 147C)
$107.98 $76.98 | 192 Points
03147
1 gallon
32,000 gallons

Alternative Approach to Harsh Chemicals (Not a chemical algaecide)

Microbial Algae Clean is an alternative, all-natural approach to algae control as the first bacterial algaecide registered with the Environmental Protection Agency. This product contains patented bacteria to control green water algae in ponds with live fish and plants, and helps establish and maintain a clean, odor-free and algae-free pond. Microbial Algae Clean promotes a cleaner pond environment by eliminating organic sludge and debris, and will not harm live plants or fish.

  • Contains patented bacteria
  • Biological inhibitor of green water
  • Eliminates troublesome organic sludge and debris
  • Helps establish and maintain the biological filter
  • Reduces noxious odors from the pond
API Pond Microbial Algae Clean Application Rates
Add one dose twice a week for the first two weeks, then once a week to maintain control of green water algae.
Add 1 tsp per 50 gallons Add 1/4 cup per 600 gallons
Do not apply directly to water other than that in your synthetically lined ornamental pond.
API Pond Microbial Algae Clean

API Pond Microbial Algae Clean

  SKU Size Treats (up to) Add
02269
16 oz
4,800 gallons
04269
64 oz
19,200 gallons
09269
1 gallon
38,400 gallons

Fast Acting Bacterial Pond Clarifier

A bacterial based pond clarifier that quickly clears murky, cloudy water and keeps it clean and clear through natural bacterial action. This triple action formula acts fast - clears pond water and breaks down sludge and offers a long term solution to un-clear pond water.

PondCare Simply-Clear Application Rates
Initial Dose or Quick Clean-Up Add 2 oz. per 250 gallons twice a week for 2 weeks
Maintenance DoseAdd 1 oz. per 250 gallons every 2 weeks
End of Season Dose Add 2oz. per 250 gallons twice a week for 2 weeks
API Pond Simply Clear

API Pond Simply Clear

  SKU Size Treats (up to) Add
API Pond Simply Clear 16 oz. (MPN 248B)
$21.78 $15.48 | 39 Points
02248
16 oz
4,000 gallons
Out of Stock
API Pond Simply Clear 32 oz. (MPN 248G)
$41.98 $29.98 | 75 Points
07248
32 oz
8,000 gallons
API Pond Simply Clear 64 oz. (MPN 248D)
$76.98 $54.98 | 137 Points
04248
64 oz
16,000 gallons
Out of Stock
API Pond Simply Clear 1 gallon (MPN 248C)
$139.98 $99.98 | 250 Points
09248
1 gallon
32,000 gallons

Instantly neutralizes chlorine, copper, lead and zinc, as well as other heavy metals found in tap and well water, all of which may be toxic to fish and plants.

Chlorine and Heavy Metal Neutralizer Dosage
Add 1 teaspoonfulAdd 1/4 cup
per 100 gallons of pond water per 1,200 gallons of pond water
Use as needed
API Pond Chlorine & Heavy Metal Neutralizer

API Pond Chlorine & Heavy Metal Neutralizer

  SKU Size Treats (up to) Add
05141
16 oz
9,600 gallons
07141
32 oz
19,200 gallons
Out of Stock

Antibacterial Remedy for Koi & Goldfish

API Pond Melafix acts as an all-natural, antibacterial remedy for koi and goldfish diseases, including eye cloud, mouth fungus, fin & tail rot, damaged fins, ulcers, and open wounds. Use if you notice these symptoms among fish in your pond, or when adding new fish. Pond Melafix is safe for snails and other invertebrates, and will not harm aquatic plants, affect pH, or adversely affect your pond’s natural biological filter.

Pond Care Mela Fix Dosage
For Recent Wounds, Fin Damage, or Infection: Add 1 tsp. for every 50 gallons of pond water.
When treating an advanced or chronic infection: Add 2 tsp. for every 50 gallons of pond water.
Dose daily for 7 days. Treatment may be continued if necessary.
When adding new fish, or netting and handling fish: Add 1 tsp. for every 50 gallons of pond water, once per day for 3 days.
Foaming may occur during the treatment. When exposed to elevated temperatures, this product may turn cloudy in the bottle; this does not affect the activity of the product.

WARNING: This product can expose you to chemicals including beta-Myrcene, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

API Pond Melafix

API Pond Melafix

  Icons SKU Size Treats (up to) Add
API Pond Melafix 16 oz. (MPN 176B)
$22.28 $15.98 | 40 Points
02176
16 oz
4,800 gallons
API Pond Melafix 64 oz. (MPN 176C)
$83.98 $59.98 | 150 Points
32176
64 oz
19,200 gallons
Out of Stock

Antifungal Remedy for Koi & Goldfish

API Pond Pimafix contains an all-natural formula that rapidly treats fungal infections on the body and fins of your pond fish, in addition to treating internal and external bacterial infections. This product can be used in combination with Pond Melafix to enhance effectiveness against certain fish diseases.

API Pond Pima Fix Dosage
For best results remove activated carbon and turn off UV and ozone-producing units during treatment.
Add 2 tsp. for every 50 gallons of water, or 1/4 cup for every 300 gallons of water. Dose daily for 7 days. Treatment may be continued if necessary.
Foaming may occur during the treatment. When exposed to elevated temperatures, this product may turn cloudy in the bottle; this does not affect the activity of the product.

WARNING: This product can expose you to chemicals including beta-Myrcene, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

API Pond Pimafix

API Pond Pimafix

  Icons SKU Size Treats (up to) Add
API Pond Pimafix 16 oz (MPN 178B)
$22.48 $15.98 | 40 Points
16178
16 oz
2,400 gallons
API Pond Pimafix 64 oz (MPN 178C)
$83.98 $59.98 | 150 Points
04178
64 oz
9,600 gallons

Specially selected bacterial strains in API Pond-Zyme Sludge Destroyer immediately begin breaking down fish waste and dead algae that cause cloudy water, sludge build-up, and debris that clogs pumps and filters. Through enzymatic action, Pond-Zyme Sludge Destroyer reduces pond maintenance and keeps pond water clean and clear. Pond-Zyme Sludge Destroyer is a 100% natural product, & safe for all pond fish, plants, and wildlife

API Pond Pond-Zyme Application Rates
Sprinkle the desired dose evenly around the perimeter of the pond
Initial Dose Add one scoop per 100 gallons twice per week for 2 weeks
Maintenance Dose Add one scoop per 200 gallons, every 2 weeks
End of Season Dose Add one scoop per 100 gallons twice per week for 2 week
API Pond Pond-Zyme Sludge Destroyer

API Pond Pond-Zyme Sludge Destroyer

  SKU Size Treats (up to) Add
API Pond Pond-Zyme 8 oz. (MPN 146)
$27.98 $19.98 | 50 Points
08146
8 oz
8,000 gallons
API Pond Pond-Zyme 1 lb. (MPN 146B)
$44.98 $31.98 | 80 Points
04146
16 oz
16,000 gallons
Pond & Waterfall Cleaner uses the power of active oxygen to deep-clean pond surfaces, waterfalls, fountains, and bird baths on contact. It is safe for all fish and aquatic plants, and should be used as needed to maintain a clean, clear pond or outdoor water feature.

  • Deep cleans waterfalls and decorative rocks
  • Keeps fountains and birdbaths clean
  • Safe for all fish and aquatic plants
  • Part of your water problem solving solution
  • Scoop included for easy granular powder application

  • Directions for use: For waterfalls and fountains: turn off water pump. Powder must come in contact with wet debris to be effective. Wait 15 minutes before turning pump on again. Repeat as needed. For birdbaths: sprinkle directly into the birdbath water. Wait 15 minutes, then rinse and refill the birdbath.

    API Pond Pond & Waterfall Cleaner

    API Pond Pond & Waterfall Cleaner

      SKU Size Add
    04167
    2.2 lb
    Out of Stock

    Provide essential electrolytes fish need to survive with an all-natural salt, made from evaporated sea water. Improves gill function, protects against nitrite toxicity & reduces stress by helping to maintain a natural balance of electrolytes in the body fluids of pond fish. Can safely be used with all PondCare® water conditioners, filtration materials, medications & fish foods.

    PondCare Pond Salt Dosage
    Distribute the pond salt evenly around the perimeter of the pond
    For Ponds with Plants. Add 1 1/4 cups of pond salt per 100 gallons of water
    For Ponds without Plants: Add 2 1/2 cups of pond salt per 100 gallons of water
    For Disease Treatment: Short-term salt baths are beneficial to eradicate many external parasite and fungal infections. In a plastic container, dissolve 2 1/2 cups of Pond Salt in 10 gallons of pond water. DO NOT USE TAP WATER. Carefully place the infected fish in the salt bath for 5-10 minutes. Do not leave the fish in the salt bath for more than 10 minutes. Return the fish to the pond. Treatment may be repeated after 24 hours.
    Important Note: Once added to the pond, Pond Salt does not evaporate and is not filtered out. Pond Salt should only be added, as directed, with each water change. Salt levels higher than 0.1% may cause plant damage.
    API Pond Salt

    API Pond Salt

      SKU Size Treats (up to) Add
    API Pond Pond Salt 65 oz. (MPN 156C)
    $13.78 $9.78 | 24 Points
    03156
    65 oz
    550 gal
    API Pond Pond Salt 145 oz. (MPN 156)
    $32.28 $22.98 | 57 Points
    00156
    145 oz
    1,200 gal
    106D
    50 lbs.
    6,000 gal

    pH is the measure of acidity or alkalinity of water. A pH reading of 7.0 is neutral, a pH higher than 7.0 is alkaline, and a pH lower than 7.0 is acidic. The pH level of a pond can be different from day to day. Pond water should be tested for pH levels regularly. When tests show a change in pH, use pH Up or pH Down to slowly adjust the pH to a desired level.

    API pH Up & pH Down Dosage
    To Lower the pH Add 1 teaspoons per 50 gallons of pond water. Carefully mix desired dose with 2 gallons of pond water in a plastic bucket and distribute evenly around the perimeter of the pond.
    To Raise the pH Add 2 teaspoons per 50 gallons of pond water. For best results, add to water flow.
    pH should not be raised or lowered more than .5 units every 24 hours. Do not treat the pond more than once in a 24 hour period.
    Repeat treatment as necessary.
    API Pond pH Up & pH Down

    API Pond pH Up & pH Down

      SKU Size pH Effect Add
    API Pond pH Up 16 oz. (MPN 171B)
    $22.28 $15.98 | 40 Points
    16171
    16 oz
    Raises pH
    API Pond pH Down 16 oz. (MPN 170B)
    $22.28 $15.98 | 40 Points
    16170
    16 oz
    Lowers pH
    Instantly detoxifies ammonia in fish ponds

    API Pond Ammo Lock detoxifies poisonous ammonia, which is continually produced in your pond by waste, to a safe form for fish. This product eliminates ammonia stress, and promotes healthy gills and a safe pond environment for your pond fish. 

    API Pond Ammo Lock Dosage
    Add 1/4 cup of ammo lock per 250 gallons of pond water
    One dose of ammo lock will neutralize 7.0ppm of chlorine, 3.0ppm of chloramines, and detoxify 3.0ppm of ammonia.
    API Pond Ammo Lock

    API Pond Ammo Lock

      SKU Size Treats (up to) Add
    API Pond Ammo Lock 16 oz (MPN 166B)
    $20.98 $14.98 | 37 Points
    16166
    16 oz
    1,920 gallons
    API Pond Ammo Lock 64 oz. (MPN 166D)
    $71.48 $50.98 | 127 Points
    04166
    64 oz
    7,680 gallons
    Out of Stock

    API® AQUARIUM SALT is made from evaporated sea salt and is a must-have for your aquarium! AQUARIUM SALT promotes fish health by improving gill function, making it easier for fish to breathe. It also provides essential electrolytes that fish need to reach peak coloration and vitality. These electrolytes may be lost each time you perform a partial water change, and will need to be replenished.

    Use API AQUARIUM SALT in freshwater aquarium tanks when starting a new aquarium, and any time you perform a water change. Care should be taken when using salt in aquariums with live plants, as some plants may be sensitive.

    • Add 1 rounded tablespoon for every 5 gallons or 0.5 teaspoon for every gallon of aquarium water.

    API Aquarium Salt

    API Aquarium Salt

      SKU Size Treats (up to) Add
    02106
    33 oz
    220 gal

    API Pond Aqua Essential is a highly concentrated all-in-one water conditioner that instantly makes tap water safe for fish by removing chlorine, chloramine and detoxifies heavy metals commonly found in tap water. It also removes toxic ammonia, nitrate and nitrite levels in your pond. This unique formula binds with ammonia, nitrite, and nitrate rendering them non-toxic and allowing the biofilter to remove them more efficiently.

    Use at pond start-up, whenever adding or changing water or when tested levels of ammonia, nitrates or nitrite are high. When adding, transporting, or quarantining fish, we recommend using API Pond Stress Coat water conditioner which is ideal for use with Pond Aqua Essential water conditioner.

    • Highly concentrated pond water conditioner
    • Instantly removes chlorine, chloramine, and detoxifies heavy metals
    • Detoxifies ammonia, nitrite, and nitrates to restore a healthy aquatic environment

    Instructions: Shake bottle well directly before use. Add 50 ml per 500 gallons of pond water to treat tap water. Add 50 ml per 100 gallons of pond water to remove ammonia, nitrite, and nitrate. If after 7 days test results still show ammonia or nitrite, perform a partial water change.

    API Pond Aqua Essential

    API Pond Aqua Essential

      SKU 16 oz 32 oz 1 gal Add
    API Pond Aqua Essential
    $23.98 From $16.98 | 42+ Points
    424
    Treats up to 4,730 U.S. Gallons
    Treats up to 9,460 U.S. Gallons
    Treats up to 37,840 U.S. Gallons
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