Testing Services
Updates from the JRP Lab Crew
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Our Lab Service Pricing and Offering has changed recently.
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Click here to see a full range of JR Peters Laboratory Pricing.
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All new customers must now pre-pay for the first 3 submissions.
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Our Submission Forms have unified! Please use our NEW Lab Submission Form for ALL sample types. Click here to download.
Water/Fertilizer
Analysis
Our Water and Fertilizer testing allows you to see what your current nutrient levels are, whether that’s in your source water, fertilizer solution, or runoff.
We will test for: pH, Soluble Salts, Total Alkalinity, Total Nitrogen, Nitrate Nitrogen, Ammonium Nitrogen, Urea, Phosphorus, Potassium, Calcium, Magnesium, Sulfur, Iron, Manganese, Copper, Boron, Zinc, Molybdenum, Aluminum, Sodium, and Chlorides. Silica and Fluoride are available upon request (though this may add a day or two to turnaround time).
Water and Fertilizer analysis starts at $46 per sample. Typical turnaround time is 1-3 business days.
Media Analysis
Our Media testing gives you insight to how your water and nutrient solution are meshing with your grow media. This way you can see what’s getting held up in the media, and what’s running right through it. Note this test is not meant for field soil.
We will test for: pH, Soluble Salts, Nitrate Nitrogen, Ammonium Nitrogen, Urea, Phosphorus, Potassium, Calcium, Magnesium, Sulfur, Iron, Manganese, Copper, Boron, Zinc, Molybdenum, Aluminum, Sodium, and Chlorides.
Media analysis starts at $46 per sample.
Typical turnaround time is 1-3 business days.
Media Analysis -
Physical
We offer two separate physical media testing services: Moisture and Sieve analysis.
Moisture - Determined by loss on drying and expressed in percent. Typical turnaround time is 3 business days.
Moisture testing starts at $55 per sample.
Sieve - Sample is physically separated/sorted to determine various sizes of particles contained in the mix. Results are expressed as percentages of mix retained per specified sieve series. Please contact us at 1-866-522-5752 prior to submitting samples to let us know what screen sizes you require. Typical turnaround time is 3 business days.
Media Sieve- $60 per sample
Dry Fertilizer Sieve- $80 per sample
Tissue Analysis
Our Tissue testing offers you insight to the hidden world of what’s actually going on in your plants. Curious if you’re seeing a deficiency or toxicity? Our analysis helps clear things up. This is the best way to know if your plant nutrition regiment is keeping your plants supplied with the optimum level of nutrients.
We will test your plant tissue for: Total Nitrogen, Phosphorus, Potassium, Calcium, Magnesium, Iron, Manganese, Copper, Boron, Zinc, Molybdenum, Aluminum, and Sodium.
Tissue analysis starts at $46 per sample. Typical turnaround time is 2-4 business days.
For pricing for our full range of testing services