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🧬 Master your aquarium’s health with precision and ease!
The API Phosphate PO4 Test Kit offers 150 liquid tests designed for both freshwater and saltwater aquariums. It uses a simple color-matching system to accurately measure phosphate levels, helping prevent algae blooms and protect coral growth. Trusted by aquarists for over 50 years, this kit ensures your aquatic environment stays balanced and vibrant.













| ASIN | B0006JDWGY |
| Allergen Information | Abalone |
| Best Sellers Rank | #61,486 in Pet Supplies ( See Top 100 in Pet Supplies ) #398 in Aquariums |
| Brand Name | API |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,471) |
| Included Components | all |
| Item Form | Liquid |
| Item Type Name | API Phosphate Test Kit For Freshwater And Saltwater |
| Item Weight | 136 g |
| Liquid Volume | 64 Fluid Ounces |
| Manufacturer | API |
| Manufacturer Part Number | 63L |
| Model Number | 63L |
| Target Species | Fish |
| UPC | 317163120637 |
| Unit Count | 1 Count |
D**O
good
A**A
So so helpful and easy to you !! Will order more
S**A
This is about the easiest phosphate test kit I have ever used, and the company that makes them has really great customer service. One of the test tubes arrived broken (not a huge deal, there are two in the package) so I reached out to the customer service email to see if they had extras available for purchase. They took a while to get back to me, but were very apologetic about the wait and went above and beyond to make it right. They sent me a brand new test kit, and a hand-written note expressing their apologies for taking a few extra days to get back to me. I, myself, work in customer service, so I have pretty high standards for how I am treated as a customer. This company exceeded my expectations and then some, and the product they make is, in my humble opinion, one of the best available. I can't wait to try some of their other products, because I really do believe that if I ever have any issues they will be sure to make it right. I actually haven't really had issues with this phosphate test, it seems very accurate and the user experience is significantly better than competing tests. It's easy to read, with a nice, clear color card, and very clear instructions. A+ product, A+ customer experience. Well done!
S**A
very poor item test result not come poperly
S**.
They do the job well. Api and salifert are the only tests I trust to use while housing 1000's of $ of coral.
Trustpilot
4 days ago
2 weeks ago