How long does it take to get the results for the various tests?

Depends on soil type and weather. You need to collect soil and let it dry (so eg it will take a bit longer in wet winter months), then mix it with water and let it settle (heavy soils will settle faster), then do the test (1-2 minutes to react). The first step takes the longest (could be a couple of days), the second is in terms of hours.

Is there a manual for this?

Yes, the cardboard sleeve inside has instructions and there are plenty of video tutorials on YouTube if you're still unsure.

Bought this test kit and the pH is good but i am not getting any sort of reading for the other tests, just the colour of murky water, advise please?

As my original review reported, I was primarily interested in the potash test but the results I achieved were rather indefinite. However I don't think they were obscured by murky water. Did you prepare the sample as described and leave it sufficiently long for the soil residue to settle?

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Luster Leaf 1601 Rapitest Test Kit for Soil pH, Nitrogen, Phosphorous and Potash, 1 Pack

Product ID: 50101726

Details

Battery description
No batteries
Brand
Luster Leaf
Colour
White
Item weight
0.25 Pounds
Product dimensions
5.1W x 22.9H

🌱40 precise soil tests

🎨patented color comparator

📚450+ plant pH guide

€ 63.70

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Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌿 Unlock your garden’s hidden potential with science-backed soil testing!

TAILORED PLANT NUTRITION - Access a soil pH preference list for over 450 plants to optimize growth and maximize yield.
COMPREHENSIVE SOIL INSIGHTS - Test pH, Nitrogen, Phosphorous & Potash with 40 easy-to-use capsules for precise garden care.
ECO FRIENDLY BATTERY FREE - No batteries required—rely on smart chemistry and your green thumb for sustainable soil health.
INNOVATIVE COLOR COMPARATOR - Patented system ensures quick, accurate color matching—no guesswork, just confidence.
ALL IN ONE GARDENING SOLUTION - Includes everything needed for 40 tests plus detailed instructions, perfect for beginners and pros alike.

The Luster Leaf 1601 Rapitest Test Kit delivers fast, reliable soil analysis for pH, Nitrogen, Phosphorous, and Potash levels. Featuring 40 tests and a patented color comparator, it empowers gardeners to tailor fertilization and amendments precisely. With clear instructions and a comprehensive plant pH guide for over 450 species, this kit is the go-to tool for both novice and experienced gardeners aiming for thriving, nutrient-optimized soil.

Specifications

ASIN	B0000DI845
Battery Description	No batteries required
Best Sellers Rank	7,600 in Garden ( See Top 100 in Garden ) 3 in Soil Test Kits
Brand	Luster Leaf
Colour	White
Customer Reviews	4.1 4.1 out of 5 stars (6,478)
Global Trade Identification Number	00035307016010
Included Components	Luster Leaf - 1601
Item Dimensions W x H	5.1W x 22.9H centimetres
Item Type Name	Rapitest Soil Test Kit for Soil pH, Nitrogen, Phosphorous and Potash
Item Weight	0.25 Pounds
Manufacturer	Luster Leaf
Manufacturer Part Number	Luster Leaf - 1601
Model Number	1601
Mounting Type	Tabletop
Number of Items	1
Number of Packs	1
Temperature Accuracy	1 degrees_celsius
Temperature Reading Accuracy	plus_minus_1_degree_celsius
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	1.0 count
Upper Temperature Rating	40 Degrees Celsius

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