Is this kit for a one-and-done test? If so, where and how much are refills for this product?

This test has several capsules for each test you want to run. My soil was really depleted. So I tested the first time to see what it needed, and then added those nutrients, and a week later tested again. I used the recommendations on the instructions to "fix" the soil, and it worked really well. The kit is easy to us. Read the FULL INSTRUCTIONS on the inside. The short version does not work. It will take a few hours or even days for some, because you have to put the soil in "purified" water, and let the soil settle to the bottom and the liquid become as clear as possible. I bought these on Amazon and if I remember right paid less than $10 for the complete kit. It was cheaper that way. I love these tests. Hope this was helpful.

can you use it for several seasons.. or do the chemicals go bad once opened to the air?

The chemicals are in capsules. I used mine throughout the season last year on multiple foot plots around our property. Each variety of capsule is in its own sealable baggie also. You should be good as long as you keep them away from open moisture.

how many capsules do you get and how easy are they to find?

There were 10 capsules for each test, easy to do, and fairly accurate I think. I'm a science teacher and have used this type of test before. They were color coded and in separate bags.

Can i get spare capsules for the tester on amazon?

If you want to test across multiple seasons, look for "Luster Leaf 1880 Rapitest Tester Electronic 4-Way Analyzer, Soil". The meter can be used over and over without regard to having any chemical capsules to use.

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Rapitest Soil Test Kit for Gardens, Vegetables, Flowers and Lawns. USA designed and assembled soil tester completely, quickly and accurately measures/analyzes soil pH acidity and garden nutrients

Rapitest Soil Test Kit for Gardens, Vegetables, Flowers and Lawns. USA designed and assembled soil tester completely, quickly and accurately measures/analyzes soil pH acidity and garden nutrients

Product ID: 2969473

Details

Battery Description
No batteries
Brand
Luster Leaf
Color
40 Tests
Item Weight
4 ounces
Product Dimensions
5"W x 5.91"H

🌱Measures pH & key nutrients

🎨Patented color comparator

⏱️Quick 40-test capacity

¥5945

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌿 Unlock your garden’s full potential—test smarter, grow stronger!

40 TESTS ONE KIT - Complete testing for 10 samples each of pH, N, P, and K—maximize your garden’s potential.
NO BATTERIES NO HASSLE - Eco-friendly, portable design means testing anywhere, anytime without extra gear.
EXPERT GUIDANCE INCLUDED - Detailed instructions plus a soil pH preference list for 450+ plants—perfect for pros and beginners.
FAST RELIABLE SOIL INSIGHTS - Get precise pH, Nitrogen, Phosphorus & Potash levels in minutes—no lab needed.
USER FRIENDLY COLOR COMPARATOR - Patented system simplifies nutrient analysis with easy-to-read color matching.

The Rapitest Soil Test Kit is a USA-designed, all-in-one solution providing quick, accurate measurements of soil pH, Nitrogen, Phosphorus, and Potash. Featuring a patented color comparator and enough supplies for 40 tests, it empowers gardeners to optimize soil health with expert-backed guidance for over 450 plants—all without batteries or complicated equipment.

Specifications

ASIN	B0000DI845
Battery Description	No batteries required
Best Sellers Rank	#11,254 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #5 in Soil Test Kits
Brand Name	Luster Leaf
Color	40 Tests
Customer Reviews	4.2 4.2 out of 5 stars (6,707)
Global Trade Identification Number	00035307016010
Included Components	Luster Leaf - 1601
Item Dimensions W x H	5"W x 5.91"H
Item Type Name	Luster Leaf - 1601
Item Weight	4 ounces
Manufacturer	Luster Leaf
Model	1601
Mounting Type	Tabletop
Number of Items	1
Number of Packs	6
Part Number	Luster Leaf - 1601
UPC	799360344663 805095131901 044933799105 744211297278 808226656922 057522009721 132017574387 740528465133 808226740676 616183104581 808226479095 182682257313 168141286421 761457614645 808112752424 043973391096 791090255042 809387611287 807032959210 809188515807 790405088207 801029677019 804200158291 163120755004 806294977215 035307016010 799321931291 115970817197
Unit Count	1 Count
Warranty Description	30 Days and Manufacturer

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