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🧪 Stay ahead of pond problems with every test!
The API 500 Pond Master Test Kit offers over 500 tests to accurately measure pH, ammonia, nitrite, and phosphate levels in your pond. Equipped with six solution bottles, glass test tubes, and color charts, it empowers pond owners to maintain optimal water quality and protect fish health with ease and precision.


















| ASIN | B0002DJNN0 |
| Banner Type | Standard Banner |
| Best Sellers Rank | 3,503 in Pet Supplies ( See Top 100 in Pet Supplies ) 8 in Aquarium Test Kits |
| Brand Name | API |
| Colour | Red and White |
| Country of Origin | USA |
| Customer Reviews | 4.6 4.6 out of 5 stars (8,893) |
| Fabric Type | Phosphate |
| Global Trade Identification Number | 00317163131640 |
| Included Components | 6 Water Test Bottles |
| Item Dimensions L x W | 17.5L x 13.2W centimetres |
| Item Shape | Rectangular |
| Item Type Name | API POND - 164M |
| Item Weight | 454 g |
| Manufacturer | API |
| Material | Plastic |
| Mounting Type | Wall Mount |
| Number of Sets | 500 |
| Occasion | Earth Day |
| Pattern | Solid |
| Product Care Instructions | Handle with care, keep out of reach of children, follow all instructions, and be cautious around corrosive materials. |
| Recommended Uses For Product | Garden |
| Special Features | Weather Resistant |
| Specific Uses For Product | Aquatic environments |
| Subject Character | fish |
| Target Audience | Unisex |
| Team Name | aquarium |
| Theme | Animals |
| UPC | 317163131640 |
| Unit Count | 1 count |
R**N
See above
Good product easy to use
R**5
Money well spent
My home-made pond is only a couple of months old but I’ve quickly learnt the importance of maintaining a healthy environment for the fish. After a lot of research I purchased this kit because of the reviews and it appeared good value for money (it does about 500 tests, so should last ages). Initially I put off using the kit because I was concerned it would be too complicated and because I feared the results would prove my pond environment was not good. I was pleased to find the kit was really simple and quick to use. The instructions were brief and clear. All the bottles are clearly marked, so errors are unlikely. I purchased a cheap plastic syringe as other reviewers had suggested, which helped and was the only part this kit lacked. My results came back on point and I’m relieved and pleased. Money well spent for peace of mind.
B**R
Easy to Use
When I first got interested in aquaculture I use a very similar product by another well known manufacturer. I found their small kit to be very good and so eventually graduated to their "Master" test kit. I found the results from some of these tests to be very difficult to interpret as the colours produced by the reagents were often too similar to be able to determine an accurate reading and so, when I needed a buy a replacement kit, thought I would try APIs offering. The bottles actually have the number of drops required printed on them so the dosage doesn't have to be looked up in a booklet every time. The bottles are also designed with a unique (at least I've never seen this before) child proof cap where a small locking collar has to be held firm with a thumb before the cap will unscrew. One of the better child-proof designs in that adults can actually open them very easily! Unlike other brands where only a loose fitting test tube cap is provided, the API test tube caps are a secure fit - essential when shaking a corrosive or irritant test solution for up to a minute. Just as important, the test tubes are easy to rinse without leaving the residue on the glass that I have found with other test kits. The tests either provide instant results or after a 5 minute "developing" period. This means that tests are easier and quicker to undertake compared with other manufacturer's kits where the waiting time for tests varies from instant, to 2, 5 or 20 minutes. The resulting colour changes are very easy to compare against the test chart provided. All in all, an easy to use and well designed kit at a competitive price.
M**S
Very accurate 👌
Great kit very accurate 👌 better than test strips
J**N
Good test kit, easy to use
Good product
R**S
Inconsistent results and now plastic tubes. Where have they gone wrong?
Update: Apologies. Took water to local fish trader. The readings were about right Never before have in nearly 30 years keeping fish have I experienced such massive pond water parameter changes in a short period of time and wrongly accused the kit of being faulty. Lesson learnt. Apologies for review below - I was wrong. ———————————- Bought a couple of these over the years, this one must be faulty. Ph and phosphate tests, you can use the same water and time with 2 tests -and you get different results. Have repeated this multiple times and in 80% of tests the results don’t match. Nitrate and ammonia are fine. This is the first set I’ve bought that’s didn’t have gas tubes but plastic. Maybe that’s the issue. Don’t trust these now so won’t be buying again
R**M
Pleased with purchase.
Find that the phials stain in time, so bought new.
D**S
Wrong contents
Good kit unfortunately I was given two bottle #2's instead of a 1 and 2. Of Nitrate Tester. Pretty annoying
B**A
Value for money.
R**I
Very helpful for reef hobbyist
A**I
Product arrived well before the Estimated time frame, Happy with the product. Good, Fast, Reliable Service.
K**R
Worth the money spent on it.
M**.
Excelente producto y fácil de usar, buenos resultados
Trustpilot
Hace 3 días
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