Skip to content
Summer Sale! Use code SUMMER26 for 15% off · Free shipping on orders $49+
Summer Sale! Use code SUMMER26 for 15% off our summer collection! Free shipping on orders $49+

Fluval Phosphate Test Kit for Aquariums

Sale Sale
Original price $99.07
Original price $99.07 - Original price $99.07
Original price $99.07
Current price $43.95
$43.95 - $43.95
Current price $43.95

Add this to your cart:

SKU B07F3J8D38
Tests Included: 75 individual tests
Size: .28 LB
🔒 Secure Checkout
💳 PayPal Accepted
🚚 Free Shipping $49+
Not happy? We fix it!

Shipping & Returns


Why you'll love it

Keep your aquarium healthy with precise phosphate testing that prevents harmful algae growth and supports coral development. Keep reading for all the details.

Product Description

The Fluval Phosphate Test Kit is your essential tool for maintaining optimal water quality in both freshwater and saltwater aquariums. This comprehensive kit includes 75 individual tests, giving you plenty of opportunities to monitor your tank's phosphate levels over time.

When organic matter breaks down and fish produce waste, phosphates naturally accumulate in your aquarium water. Left unchecked, these phosphates can trigger unwanted algae blooms and seriously inhibit the growth of hard corals. Even your tap water might be introducing phosphates into your system, making pre-treatment necessary before water changes.

Made in Canada with Fluval's commitment to accuracy, this test kit helps you maintain the balanced environment your fish and plants need to thrive. Since 1975, Fluval has been pioneering aquarium technology, starting with the world's first 3-stage filter with synchronous motor technology.


Interesting Points

Prevents Algae Problems

High phosphate levels are a primary cause of nuisance algae growth. Regular testing lets you catch problems before they take over your tank.

Supports Coral Health

Hard corals struggle to grow in high-phosphate environments. This kit helps you maintain the low phosphate levels corals need to flourish.

Long-Lasting Value

With 75 tests included, you can monitor your aquarium regularly for months without needing a replacement kit.

Professional Accuracy

Fluval's Canadian-made test kits are known for their precision, giving you reliable results you can trust for important tank decisions.


Product Specifications

  • Includes 75 individual tests
  • Suitable for freshwater and saltwater aquariums
  • Made in Canada
  • Tests for phosphate levels
  • Compatible with all aquarium sizes

Usage Notes

  • Test as needed based on your aquarium's bioload
  • Pre-treat tap water if phosphate levels are detected
  • Follow included instructions for accurate results
  • Store in cool, dry place

Package Inclusion

  • Phosphate test reagents
  • Test vials
  • Color comparison chart
  • Detailed instructions

Give your aquatic friends the healthy environment they deserve with accurate phosphate monitoring that prevents problems before they start.


Shipping and Returns

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare