How precise are the gh/kh tests? i need something that measures in the single digits.

If you are advanced enough to be testing KH, you need to move to salifert or aqua forest test kits. A bit more expensive but if you are going to start buffering, it needs to be right or you may be doing more harm than good. Time to Change!!! :-)

How many test will it do?

All I can say is, quite a lot. Because the test is performed by adding more and more test solution until it changes colour, the amount used depends on your water hardness, so the number of tests you'll be able get out of it will vary quite a lot. But I'd say it's probably good for over 50 at least.

Does the ph test kits have a shelf life

Not sure but would not rely on any brands test strips. Especially API. Recommend a JBL or Sera test kit.

Nitrate test, do bottles have the red seal on them? The ones without the red seal don't fit my stand.

No they do not have red child proof caps they are the later design that are all white.

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API 5-in-1 Test Strips for Freshwater and Saltwater Aquariums, 100-Count Box

Product ID: 65476086

Details

Brand
API
Manufacturer
API
Recommended uses for product
Freshwater and
Unit count
100 count
pH range
6.0 à 7.6

💧Suitable for fresh & saltwater

🧪5-in-1 water parameter test

⏱️30-second quick results

R862

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Description

🐠 Dive into crystal-clear confidence with every test strip!

BULK 100 COUNT SUPPLY - Stay ahead of water issues with a full 100-strip box—weekly testing made easy and economical.
PROACTIVE FISH HEALTH - Catch invisible water problems early to prevent fish stress, disease, and loss—because your aquatic friends deserve the best.
DUAL ENVIRONMENT READY - Perfectly calibrated for both freshwater and saltwater aquariums, ensuring versatile use.
FAST EFFORTLESS RESULTS - Dip and read color changes in just 30 seconds—no lab needed, no guesswork.
COMPREHENSIVE 5 IN 1 TESTING - Monitor pH, nitrite, nitrate, carbonate, and hardness in one strip for total water clarity.

API 5-in-1 Test Strips provide a fast, reliable way to monitor five critical water parameters—pH, nitrite, nitrate, carbonate, and hardness—in both freshwater and saltwater aquariums. With 100 strips per box, these easy-to-use dip strips deliver accurate results in 30 seconds, empowering aquarium enthusiasts to maintain optimal water quality and protect their aquatic life from invisible threats.

Specifications

ASIN	B077YS7Y4Y
Best Sellers Rank	20,905 in Pet Supplies ( See Top 100 in Pet Supplies ) 43 in Aquarium Test Kits
Brand	API
Country Of Origin	USA
Customer Reviews	4.4 4.4 out of 5 stars (3,023)
Global Trade Identification Number	00317163160336
Item Weight	0.11 Pounds
Manufacturer	API
Manufacturer Part Number	33P
Material Type	Paper
Model Number	33P
Number of Items	1
Recommended Uses For Product	Freshwater and Saltwater
Sterility Rating	6.0 à 7.6
UPC	317163160336 300718524905
Unit Count	100 count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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R862

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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