A diagram of soil sampling instructions to the accuracy of your results.

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To Get The Most From Your Plants™

Click on one of the categories below to view the available testing options.

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Soil Testing

Soil Testing

Plant Testing

Plant Testing

Water Testing

Water Testing

Fertilizer Testing

Fertilizer Testing

Fertilizer Testing

Fertilizer Testing

Compost Testing

Compost Testing

Compost Testing

Compost Testing

Heavy Metal Testing

Heavy Metal Testing

Heavy Metal Testing

Heavy Metal Testing

Bio-Stimulant Products

Bio-Stimulant Products

Bio-Stimulant Products

Bio-Stimulant Products

Humate Testing

Humate Testing

Featured Products

TPSL TrueProfile™ Soil Test

TPSL TrueProfile™ Soil Test

TPSL TrueProfile™ Soil Test

$160.00

CSL+ 4-2-3: Premium Organic Fertilizer with Enhanced Plant Uptake

CSL+ 4-2-3: Premium Organic Fertilizer with Enhanced Plant Uptake

CSL+ 4-2-3: Premium Organic Fertilizer with Enhanced Plant Uptake

$45.00

NRCS Compost Test Suite

NRCS Compost Test Suite

NRCS Compost Test Suite

$240.00

Nitro P9 - Premium Nitrogen Fertilizer (No Burn Formula)

Nitro P9 - Premium Nitrogen Fertilizer (No Burn Formula)

Nitro P9 - Premium Nitrogen Fertilizer (No Burn Formula)

$56.00

Kito-Rx All Natural Fertilizer / 1 Gallon

Kito-Rx All Natural Fertilizer / 1 Gallon

Kito-Rx All Natural Fertilizer / 1 Gallon

$91.50

Bio S.I. SD-25 / 1-Quart

Bio S.I. SD-25 / 1-Quart

Bio S.I. SD-25 / 1-Quart

$65.00

Standard Compost Test

Standard Compost Test

Standard Compost Test

$136.00

USCC STA Compost Test

USCC STA Compost Test

USCC STA Compost Test

$482.00

ASK THE PLANT® Sap Test

ASK THE PLANT® Sap Test

ASK THE PLANT® Sap Test

$96.00

TPSL Plant Natural® Soil Test with Write-Up

TPSL Plant Natural® Soil Test with Write-Up

TPSL Plant Natural® Soil Test with Write-Up

$135.00

Lawn & Garden Plant Natural® Soil Test with Write-Up and Kit

Lawn & Garden Plant Natural® Soil Test with Write-Up and Kit

Lawn & Garden Plant Natural® Soil Test with Write-Up and Kit

$145.00

Basic Water Analysis

Basic Water Analysis

Basic Water Analysis

$86.00

Karbon-12 / 2.5 Gallon

Karbon-12 / 2.5 Gallon

Karbon-12 / 2.5 Gallon

$61.25

TPS Lab Gift Card

TPS Lab Gift Card

TPS Lab Gift Card

$100.00

Ask The Plant® heavyweight t-shirt

Ask The Plant® heavyweight t-shirt

Ask The Plant® heavyweight t-shirt

$25.95

Ask the Plant by Charles Walters

Ask the Plant by Charles Walters

Ask the Plant by Charles Walters

$25.00

Agricultural Lime Analysis

Agricultural Lime Analysis

Agricultural Lime Analysis

$127.00

Salmonella Test for Compost

Salmonella Test for Compost

Salmonella Test for Compost

$127.00

Salmonella and PCB Test

Salmonella and PCB Test

Salmonella and PCB Test

$380.00

Contact info

(956) 383-0739

info@tpslab.com

4915 W. Monte Cristo Rd.

Edinburg, TX 78541

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