Freshwater Activities & Test Kits

Over the past thirty years Acorn Naturalists has evaluated many water quality test kits from different manufacturers. We have consistently found that the test kits designed by the LaMotte Company to be the most accurate, reliable, and easiest to use. We carry the LaMotte water and soil test kits in stock, but we are also distributors of their entire line of test kits. If you don’t see a particular LaMotte test kit that you are looking for, please contact us and we will procure it for you. Included here are water quality test kits for water quality parameters such as nitrates, phosphates, pH, oxygen, ammonia, hardness, turbidity, coliform, sulfide, silica, iron, carbon dioxide, copper, salinity, and many others. Also included here are the popular and easy to use Global Rivers Environmental Education Network (GREEN) water quality test kits, along with comprehensive water quality test kits for evaluating water quality in ponds, streams and lakes. The test kits offered by Acorn Naturalists provide excellent supplementary resources for inquiry-oriented science discovery programs aligned to Next Generation Science Standards (NGSS) programs and curricula. We also carry the reagent refills for the water quality kits we offer.

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  1. Chlorine Test Kit (Refill, 1R Tablets)
    Chlorine Test Kit (Refill, 1R Tablets)
    $12.45
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  2. Chlorine Test Kit (Refill, 3R Tablets)
    Chlorine Test Kit (Refill, 3R Tablets)
    $12.45
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  3. Coliform Test Kit (Presence/Absence)
    Coliform Test Kit (Presence/Absence)
    $20.95
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  4. Copper Test Kit
    Copper Test Kit
    $136.95
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  5. Copper Test Kit (Refill)
    Copper Test Kit (Refill)
    $10.15
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  6. Hardness - Calcium, Magnesium, and Total Hardness Test Kit
    Hardness - Calcium, Magnesium, and Total Hardness Test Kit
    $94.95
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  7. Hardness - Calcium, Magnesium, and Total Hardness Test Kit (Refill)
    Hardness - Calcium, Magnesium, and Total Hardness Test Kit (Refill)
    $50.45
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  8. Iron Test Kit
    Iron Test Kit
    $77.95
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  9. Iron Test Kit (Refill)
    Iron Test Kit (Refill)
    $30.75
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  10. Nitrite Test Kit
    Nitrite Test Kit
    $83.95
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  11. Nitrite Test Kit (Refill)
    Nitrite Test Kit (Refill)
    $24.45
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  12. Nitrate-Nitrogen Test Kit (Refill)
    Nitrate-Nitrogen Test Kit (Refill)
    $31.45
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  13. Nitrate-Nitrogen Test Kit
    Nitrate-Nitrogen Test Kit
    $74.45
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  14. pH Test Paper
    pH Test Paper
    $3.95
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  15. pH Test Kit
    pH Test Kit
    $53.95
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  16. pH Test Kit (Refill)
    pH Test Kit (Refill)
    $9.95
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  17. Phosphate Test Kit
    Phosphate Test Kit
    $112.95
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  18. Phosphate Test Kit (Refill)
    Phosphate Test Kit (Refill)
    $36.45
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  19. Salinity Test Kit
    Salinity Test Kit
    $95.45
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  20. Salinity Test Kit (Refill)
    Salinity Test Kit (Refill)
    $57.75
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  21. Silica Test Kit
    Silica Test Kit
    $112.95
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  22. Silica Test Kit (Refill)
    Silica Test Kit (Refill)
    $39.45
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  23. Sulfide Test Kit
    Sulfide Test Kit
    $89.95
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  24. Sulfide Test Kit (Refill)
    Sulfide Test Kit (Refill)
    $33.75
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  25. Turbidity Test Kit
    Turbidity Test Kit
    $99.95
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  26. Turbidity Test Kit (Refill)
    Turbidity Test Kit (Refill)
    $17.75
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  27. InstaTest® Water Test Strips: Alkalinity
    InstaTest® Water Test Strips: Alkalinity
    $14.95
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  28. InstaTest® Water Test Strips: Chlorine (Free)
    InstaTest® Water Test Strips: Chlorine (Free)
    $8.95
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  29. InstaTest® Water Test Strips: Chlorine (Total)
    InstaTest® Water Test Strips: Chlorine (Total)
    $14.95
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  30. InstaTest® Water Test Strips: Copper
    InstaTest® Water Test Strips: Copper
    $13.45
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  31. InstaTest® Water Test Strips: Hardness
    InstaTest® Water Test Strips: Hardness
    $14.95
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  32. InstaTest® Water Test Strips: Nitrate/Nitrite
    InstaTest® Water Test Strips: Nitrate/Nitrite
    $15.95
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  33. InstaTest® Water Test Strips: pH (Wide Range)
    InstaTest® Water Test Strips: pH (Wide Range)
    $15.45
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  34. InstaTest® Water Test Strips: pH (Wide Range) and Total Chlorine
    InstaTest® Water Test Strips: pH (Wide Range) and Total Chlorine
    $11.95
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  35. Clean Water Science Kit (Green Science Series)
    Clean Water Science Kit (Green Science Series)
    $14.95
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  36. Romp in the Swamp (CD)
    Romp in the Swamp (CD)
    $14.95
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  37. Freshwater Fish Printing Discovery Kit®
    Freshwater Fish Printing Discovery Kit®
    $99.95
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  38. Pond Bingo Scarf (Fundana® Bandana)
    Pond Bingo Scarf (Fundana® Bandana)
    $6.95
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  39. Aquatic Life Plastic Molds
    Aquatic Life Plastic Molds
    $7.25
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  40. Mini River Animals Models (Nature Tube)
    Mini River Animals Models (Nature Tube)
    $10.95
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  41. Triops Observation Kit
    Triops Observation Kit
    $9.95
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  42. Triops Packet (Eggs, Conditioner, Food, and Instructions)
    Triops Packet (Eggs, Conditioner, Food, and Instructions)
    $5.95
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  43. Amoeba proteus (prepared microscope slide)
    Amoeba proteus (prepared microscope slide)
    $5.95
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  44. Daphnia and Cyclops, whole mount (prepared microscope slide)
    Daphnia and Cyclops, whole mount (prepared microscope slide)
    $4.95
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  45. Diatoms, mixed (prepared microscope slide)
    Diatoms, mixed (prepared microscope slide)
    $4.95
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  46. Euglena (prepared microscope slide)
    Euglena (prepared microscope slide)
    $4.95
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  47. Hydra, budding, whole mount (prepared microscope slide)
    Hydra, budding, whole mount (prepared microscope slide)
    $4.95
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  48. Hydra, whole mount prepared microscope slide
    Hydra, whole mount prepared microscope slide
    $4.95
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  49. Paramecium, whole mount (prepared microscope slide)
    Paramecium, whole mount (prepared microscope slide)
    $4.95
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  50. Planaria whole mount (prepared microscope slide)
    Planaria whole mount (prepared microscope slide)
    $4.95
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