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Aquarium Test Kits
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  7. API Phosphate Test…
API

API Phosphate Test Kit 150-Test 1893 ml (64 Fl Oz) | Monitors PO4 Levels in Freshwater & Saltwater Aquariums

4.5
(1,542 Ratings)
API Phosphate Test Kit 150-Test 1893 ml (64 Fl Oz) | Monitors PO4 Levels in Freshwater & Saltwater Aquariums - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹2,581₹3,635

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API Phosphate Test Kit 150-Test 1893 ml (64 Fl Oz) | Monitors PO4 Levels in Freshwater & Saltwater Aquariums — Phosphate
Phosphate
₹2,581
₹3,635
In Stock
API Phosphate Test Kit 150-Test 1893 ml (64 Fl Oz) | Monitors PO4 Levels in Freshwater & Saltwater Aquariums — Aquarium Water Testing
Aquarium Water Testing
₹2,371
₹3,427
In Stock
API Phosphate Test Kit 150-Test 1893 ml (64 Fl Oz) | Monitors PO4 Levels in Freshwater & Saltwater Aquariums — pH & Adjuster
pH & Adjuster
₹3,184
₹4,917
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Doorstep delivery by 23 Oct - 25 Oct from USA

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Product details

SKUvcm1148
GTIN0317163120637
BrandAPI
Product NamePhosphate Test Kit
Model Number63L
StylePhosphate
Item FormLiquid
Liquid Volume1893 ml (64 Fl Oz)
Number of Tests150
Test Range0-10 ppm Phosphate
CompatibilityFreshwater and Saltwater Aquariums
Included Components2x Testing Solution Bottles, 2x Color Cards, 1x Test Tube with Cap
MaterialPlastic (bottles, test tube)
Country of OriginNot stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

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API Phosphate Test Kit 150-Test 1893 ml (64 Fl Oz) | Monitors PO4 Levels in Freshwater & Saltwater Aquariums

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API Phosphate Test Kit 150-Test 1893 ml (64 Fl Oz) | Monitors PO4 Levels in Freshwater & Saltwater Aquariums

₹2,581

API Phosphate Test Kit 150-Test 1893 ml (64 Fl Oz) | Monitors PO4 Levels in Freshwater & Saltwater Aquariums

This item

API Phosphate Test Kit 150-Test 1893 ml (64 Fl Oz) | Monitors PO4 Levels in Freshwater & Saltwater Aquariums

₹2,581

Total price:

₹8,136

You save ₹3,843 (32%) Extra

3 items selected

3 items

₹8,136

You save ₹3,843 (32%) Extra

Imported from USA
₹2,581₹3,635

You Save ₹1,054

Estimated delivery: Doorstep delivery by 23 Oct - 25 Oct from USA
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Crystal Clear Water, Healthy Fish

About this item

API Phosphate Test Kit (1893 ml / 64 Fl Oz) is your essential tool for maintaining optimal aquarium health. This kit accurately measures phosphate levels from 0-10 ppm in both freshwater and saltwater environments, crucial for preventing unsightly algae blooms and protecting your fish and corals from invisible water problems. Imported for Indian aquarists, it ensures you have access to reliable testing for a thriving underwater world.

The kit includes two bottles of testing solution, two color cards, and one capped test tube, providing 150 tests. Regular weekly monitoring with this kit helps identify and correct issues before they harm your aquatic life. It's designed to be user-friendly, making complex water parameter testing straightforward for hobbyists.

Compared to local alternatives, API offers a trusted, established brand with proven results. Ensure your aquarium's ecosystem is balanced and vibrant. All customs duties and GST are included, with delivery via ExpressBox tracked shipping to your pincode.

Key Features

  • Contains one (1) API PHOSPHATE TEST KIT 150-Test Freshwater and Saltwater Aquarium Water Test Kit, including 2 bottles of testing solution, 2 color cards and 1 test tube with cap
  • Helps monitor and adjust pH and prevent invisible water problems that can be harmful to fish and corals
  • Reads phosphate levels between 0-10 ppm
  • Prevents excess and unsightly algae which can cause fish stress and inhibit the growth of hard corals
  • Use for weekly monitoring and when water or fish problems appear

Why choose this product

Trusted Science for a Thriving Aquarium

API Phosphate Test Kit leverages decades of brand expertise to provide accurate PO4 readings. Unlike generic test strips, this liquid-based kit offers precise measurements between 0-10 ppm, directly addressing the root cause of algae blooms and protecting sensitive corals. Imported from authorized US retailers and authorized brand partners, it ensures you receive a factory-sealed product with consistent performance, vital for maintaining the delicate balance of your aquatic ecosystem. This kit empowers you to proactively manage water quality, fostering a healthier environment for all your fish and invertebrates.

Ideal for Indian Aquarists, Use with Caution

This kit is perfect for Indian hobbyists needing reliable phosphate testing for both freshwater and saltwater tanks, especially those battling algae in humid climates. Use it weekly to monitor PO4 levels. However, the testing solutions contain mild acids; avoid contact with skin and eyes, and keep out of reach of children. While effective for phosphate, it does not test for other critical parameters like ammonia or nitrite. For comprehensive testing, consider API's Master Test Kit.

How to use

  • Prepare the Water Sample — Rinse the provided test tube thoroughly with the aquarium water you intend to test. Then, accurately fill the test tube to the 5 ml mark with this water.
  • Add Reagents and Mix — Add 6 drops of Phosphate Test Solution Bottle #1 to the water sample, then cap and shake the tube. Follow this by adding 6 drops of Phosphate Test Solution Bottle #2 and shaking again.
  • Develop and Compare Color — Allow the solution to stand for 3 minutes for the color to develop fully. Compare the resulting color against the included Phosphate Color Chart to accurately determine the phosphate (PO4) level in your aquarium water.

Example scenarios

Typical situations where API Phosphate Test Kit 150-Test 1893 ml (64 Fl Oz) | Monitors PO4 Levels in Freshwater & Saltwater Aquariums helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

An aquarist in Chennai battling persistent green algae blooms in their 200-litre saltwater reef tank.

How this product helps

Using the API Phosphate Test Kit weekly, they identified high PO4 levels (over 0.5 ppm). By adjusting feeding habits and performing water changes guided by the test results, they reduced phosphate to below 0.1 ppm, clearing the algae and improving coral polyp extension within 3 weeks.

2
Scenario 2
Illustrative example
Where it helps

A hobbyist in Delhi with a new 100-litre freshwater community tank experiencing cloudy water and stressed fish.

How this product helps

The API Phosphate Test Kit revealed elevated phosphate from uneaten food and waste. Regular testing and targeted water changes, informed by the kit's readings, helped stabilize the water parameters, leading to clearer water and healthier, more active fish within 10 days.

Specifications

Composition

Testing Solution Bottle #1Contains mild acids (e.g., sulfuric acid)
Testing Solution Bottle #2Contains reagents for phosphate detection
AllergensMay cause skin irritation
Free FromAmmonia, Nitrite, Nitrate, pH (tests for Phosphate only)

Usage

Serving Size5 ml aquarium water per test
Dosing6 drops of Bottle #1 + 6 drops of Bottle #2 per 5 ml water sample
FrequencyWeekly monitoring or when water/fish problems appear
Shelf Life After Opening12 months (typical for liquid test kits)
Cost per use150 tests at ₹2,581 — ₹17.21 per test
ContraindicationsDo not ingest. Avoid contact with skin and eyes. Keep out of reach of children. Not for human consumption.
Allergens / Common IrritantsMild acids in Solution #1 can cause skin irritation.

How we compare

FeatureAPI Phosphate TestOthers
Authenticity & SourcingImported from authorized US retailers and authorized brand partners, factory-sealed for guaranteed authenticity.May be locally manufactured or imported through less transparent channels; authenticity can vary.
Test Range & AccuracyAccurate 0-10 ppm phosphate measurement with clear color cards.Varies by brand; some may offer less precise ranges or less distinct color comparisons.
Volume & Value1893 ml (64 Fl Oz) kit provides 150 tests — ₹17.21 per test per test.Typically sold in smaller volumes (e.g., 30-50 ml) for similar test counts, often costing ₹400-700 per kit.
SuitabilityReliable for both freshwater and saltwater aquariums.Some may be specialized for freshwater only; saltwater compatibility can be less common or less precise.
Ease of UseSimple 3-minute test procedure with easy-to-read color chart.

About API

API has been a trusted name in aquarium care for nearly 60 years, developing effective solutions for fishkeepers worldwide.

Compliance & Legal

No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.

FAQ, See What Others Asked

How to buy an original API Phosphate Test Kit in India?
Purchase the API Phosphate Test Kit from crowcrowcrow.com. We import directly from authorized US retailers and authorized brand partners, ensuring you receive a factory-sealed, original product. All customs duties and GST are included in the price, and your order is shipped via ExpressBox tracked delivery to your Indian pincode.
How to use API Phosphate Test Kit for freshwater and saltwater?
Rinse the test tube with aquarium water, fill with 5 ml, add 6 drops of Bottle #1 and shake. Then add 6 drops of Bottle #2 and shake again. Wait 3 minutes for color to develop and compare to the color chart to determine phosphate levels (0-10 ppm).
What is the normal phosphate level in an aquarium?
For freshwater aquariums, aim for phosphate levels below 0.5 ppm, ideally close to 0 ppm. In saltwater and reef aquariums, maintaining phosphate below 0.1 ppm is crucial for coral health. This API kit helps you monitor and maintain these levels.
Can I use this API Phosphate Test Kit for pond water?
While primarily designed for aquarium use, the API Phosphate Test Kit can provide a general indication of phosphate levels in pond water. However, pond ecosystems are more complex, and specific pond test kits may offer more comprehensive parameters or different dosing recommendations for larger volumes.
What are the side effects of high phosphate in aquariums?
High phosphate levels (above 0.5 ppm in freshwater, 0.1 ppm in saltwater) fuel unsightly algae blooms, causing green water and reducing aesthetic appeal. It can also stress fish and inhibit the growth of hard corals in marine tanks. Regular testing with this kit helps prevent these issues.
How often should I test phosphate levels?
It is recommended to test phosphate levels weekly using the API Phosphate Test Kit. This consistent monitoring helps you catch any rising levels early, allowing for prompt adjustments to prevent algae outbreaks and maintain a healthy environment for your fish and corals.
Does this kit test for ammonia or nitrite?
No, the API Phosphate Test Kit specifically measures phosphate (PO4) levels. It does not test for ammonia, nitrite, or nitrate. For a complete water quality analysis, you may need to use separate test kits or a comprehensive aquarium master test kit.
Is the API Phosphate Test Kit safe for fish?
The test kit itself is safe when used as directed for testing water parameters. The solutions contain mild acids and should not be ingested or come into contact with skin or eyes. The kit helps ensure the aquarium water is safe for fish by monitoring phosphate levels that can otherwise become harmful.

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Spec
Price
Procedure complexity and color chart clarity can differ significantly between brands.
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you
₹2,581
₹3,635
₹2,371
₹3,427
₹3,184
₹4,917
₹2,050
₹2,791
₹2,621
₹4,056
₹1,369
₹1,764
₹2,167
₹2,854
Rating
4.50(1,542)
4.40(741)
4.60(1,044)
4.10(37K+)
4.30(208)
4.30(49)
4.60(14K+)
Brand NameAPIAPIAPIOutward HoundTropiCleanCOSMOINGVirbac
Item FormLiquidN/AN/AN/AN/AN/AN/A
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
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