API Phosphate PO4 Freshwater & Saltwater Aquarium Test Kit, 150 count
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Prevent excess phosphate in your fresh or saltwater tank with API Phosphate PO4 Fresh & Salt Water Aquarium Test Kit. Phosphate can come from tap water, waste, uneaten food or dead algae. In freshwater tanks, high phosphate levels can cause algae and green water blooms; in saltwater tanks, it can stunt the growth of hard corals. This easy-to-use test kit measures phosphate levels from 0 to 10. Simply fill a test tube with your tank water, add a few drops of both test samples and shake. Then compare your results to the color card and follow instructions to lower phosphate if necessary. Frequent testing is recommended to help maintain healthy aquarium conditions.
Key Benefits- Helps maintain a healthy aquarium by allowing you to measure and control phosphate levels.
- Frequent testing is recommended to ensure your tank is healthy for your aquarium life.
- Prevents potentially harmful algae and green water blooms in fresh water.
- Promotes the growth of hard corals in salt water.
- Kit includes two bottles of liquid test reagent, two-color cards, glass test tube and information on how to correct water condition.
(2) bottles of liquid test reagent, (2) laminated, computer calibrated color cards, glass test tube with snap-tight cap, step by step instructions and information on how to correct unsafe conditions.
Help keep your aquarium in tip-top shape with API's Phos-Zorb filtration pouch.
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Item Number94371
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Aquarium TypeFreshwater, Saltwater
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Fish TypeTropical Freshwater, Marine Fish, Betta, Goldfish, Marine Invertebrate, Bottom Feeder, Cichlid, Koi & Pond Fish
For what type of tank is API PHOSPHATE TEST KIT most appropriate? Why should I test for phosphate?
Phosphate enters your aquarium through fish and invertebrate waste, and excess phosphate can cause problematic conditions in your tank. Use the API PHOSPHATE TEST KIT to test for high phosphate levels weekly. May be used for both marine (saltwater) and freshwater aquariums.
Customer Reviews
83% Recommend
83% of reviewersrecommend this product
You've Already Reviewed This Item
6 Reviews
6 Reviews
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Very leaky test tube
By Sheila on Mar 16, 2020
I'm sure it tests for phosphates as advertised. I'm not a chemist or have other means to test for it, so I'll trust what the test says. However the cap for the testing tube is nowhere near leak proof. As part of the test process they want you to shake the vial vigorously 2 different times. I couldn't even tip it to the side holding it still without it leaking let alone shake vigorously without slinging chemically treated water all over. I tried it 4 times, once while testing, then three times with tap water. I would think they would have the vial be water tight, I mean that is the business they're in- water testing. Maybe my standards are too high. Maybe I got a bad cap. Whatever the reason I'm sure it tests for phosphates as advertised. I'm not a chemist or have other means to test for it, so I'll trust what the test says. However the cap for the testing tube is nowhere near leak proof. As part of the test process they want you to shake the vial vigorously 2 different times. I couldn't even tip it to the side holding it still without it leaking let alone shake vigorously without slinging chemically treated water all over. I tried it 4 times, once while testing, then three times with tap water. I would think they would have the vial be water tight, I mean that is the business they're in- water testing. Maybe my standards are too high. Maybe I got a bad cap. Whatever the reason, the world keeps turning. … more
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I have leaky tube too
By ali7238 on Jun 26, 2020
Great for measuring phosphate levels for any kind of water
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Aquarium water chemistry tests
By Mango on Feb 10, 2019
I have algae growing everywhere in my tank so I have started testing for all kinds of elements. I rated this product 4 stars instead of 5 stars because the test itself is a little difficult to read. I need to count the drops of reagent and judge color. It is not a black and white test. Otherwise the product is outstanding
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fish supplies
By sherri on Sep 9, 2017
The product is great. Luckily we are into fish tanks because the glass tube came broke but no biggie.
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Great test kit!
By CarpeDiem on Sep 22, 2017 Top 50 Contributor
A necessity for testing my pond! Delighted that Chewy carries this!
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Phosphate test kit
By AEjr on Nov 18, 2016
It is ez to use, comes with instructions on how to use and color chart that way you can see your phosphate leave.
