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Showing 913–928 of 1975 results
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Grodan Improved Gro-Slab, 36 x 6 x 3, case of 12
$115.99Estimated delivery dates: Oct 12, 2026 - Oct 17, 2026 -
Grodan Improved Gro-Slab, 36 x 6 x 4 with three 4 x 4 pre-cut holes
$155.99Estimated delivery dates: Oct 12, 2026 - Oct 17, 2026 -
Grodan Improved Gro-Slab, 36 x 8 x 3 with three 6 x 6 pre-cut holes
$152.99Estimated delivery dates: Oct 12, 2026 - Oct 17, 2026 -
Grodan Pargro Jumbo, 6 x 6 x 4, w/Hole, Case of 64
$178.99Estimated delivery dates: Oct 12, 2026 - Oct 17, 2026 -
Grodan Round Macro Plugs w/Slit, case of 2000
$439.99Estimated delivery dates: Oct 12, 2026 - Oct 17, 2026 -
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GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
$14.99 -
GroStar GS1 PH/Temp (2-IN-1) Pen
$115.99Estimated delivery dates: Oct 12, 2026 - Oct 17, 2026 -
GroStar GS1-E replacement pH electrode
$50.99Estimated delivery dates: Oct 12, 2026 - Oct 17, 2026 -
GroStar GS2 Soil PH/Temp (2-IN-1) Pen
$256.99Estimated delivery dates: Oct 12, 2026 - Oct 17, 2026 -
GroStar GS2-E replacement Soil Spear pH electrode
$181.99Estimated delivery dates: Oct 12, 2026 - Oct 17, 2026 -
GroStar GS3 EC/500ppm/700ppm/Temp (4-IN-1) Pen
$113.99Estimated delivery dates: Oct 12, 2026 - Oct 17, 2026 -
GroStar GS3-E replacement EC electrode
$53.99Estimated delivery dates: Oct 12, 2026 - Oct 17, 2026 -
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
$178.99Estimated delivery dates: Oct 12, 2026 - Oct 17, 2026 -
GroStar GS4-E replacement pH/EC combo electrode
$79.99Estimated delivery dates: Oct 12, 2026 - Oct 17, 2026 -
GroStar pH calibration kit (pH 4/7, 8 oz. each)
$18.99Estimated delivery dates: Oct 12, 2026 - Oct 17, 2026 -
GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
$28.99Estimated delivery dates: Oct 12, 2026 - Oct 17, 2026