| Acid Rain Study Outfit (50 Tests) | Acid Rain Study Outfit Reagent Refill | Backpack Lab - Soil Quality |
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SKU: 625-7010
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SKU: 625-7011
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SKU: 624-7150
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Our price: $71.25
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Our price: $7.95
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| Backpack Lab - Water Quality | Biology and Chemistry of Soil Kit | Brass Testing Sieve |
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SKU: 624-7140
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SKU: 624-6310
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SKU: 624-4110
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Our price: $399.95
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Our price: $93.25
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| Elementary Sieve Set | Garden Soil Analysis Kit | Gravelometer |
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SKU: 621-7130
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SKU: 624-6130
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SKU: 624-3010
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Our price: $29.95
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| Nitty Gritty Soil Science Kit | Npk Soil Test Kit | Plastic Sieve Set of 4 |
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SKU: 624-7020
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SKU: 624-6010
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SKU: 624-3024
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Our price: $31.95
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