Measures the most important aquarium levels quickly and accurately. Benefits:

• Tests High Range pH, Ammonia, Nitrite, & Nitrate
• Includes all tests required to test the nitrogen cycle
• Fast, easy, and accurate for precise test results
• Economical Conducts 550 tests

Follow API Easy Care Guide and use the SALTWATER MASTER TEST KIT:

• During Regular Care
• When addressing Water Problem Solving issues

Maintaining good water quality is the key to successful fishkeeping. The API Saltwater Master Test Kit is a complete kit for testing saltwater aquariums to protect marine fish and invertebrates from unsafe water conditions. The Saltwater Master Test Kit tests 4 key salt water parameters. The kit is highly accurate and economical, and includes 6 bottles of liquid test reagent, a computer-calibrated, laminated color card, 4 glass test tubes with snap-tight caps, holding tray, as well as complete, step-by-step instruction booklet, including information on how to correct unsafe water conditions. To view the Instructions Booklet online click here.

Freshness & Storage

Every batch we dispatch carries a minimum of 6 months’ remaining shelf life. Store this product in a cool, dry place away from direct sunlight, with the cap or inner foil closed tightly after each use.

Returns & Replacement

Returns are accepted within 7 days of delivery, provided the item is unused and in its original packaging. Manufacturer-sealed items cannot be returned once the seal is broken, and sale-priced items are not refundable.

If your item arrives defective or damaged, message us on WhatsApp with your order number — or email us, if you would rather — and we will replace it. Approved replacements are delivered within 3 to 5 business days. Transit damage is covered by insurance on every shipment. If tracking shows delivered but nothing reached you, tell us within 72 hours, which is the reporting window Indian couriers allow. Damage caused during installation or use is not covered; replacement spares for such cases are chargeable.

Full terms are on our Cancellation & Returns page.