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GroStar GS3 EC/500ppm/700ppm/Temp (4-IN-1) Pen
$113.99Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026 -
GroStar GS3-E replacement EC electrode
$53.99Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026 -
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
$178.99Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026 -
GroStar GS4-E replacement pH/EC combo electrode
$79.99Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026 -
GroStar pH calibration kit (pH 4/7, 8 oz. each)
$18.99Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026 -
GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
$28.99Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026 -
GroStar pH Probe Maintanence Kit
$23.99Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026 -
Grotek Blossom Blaster Pro Liquid, 1 L
$29.18Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026 -
Grotek Blossom Blaster Pro Liquid, 4 L
$99.21Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026 -
Grotek Blossom Blaster, 130 g
$70.66Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026 -
Grotek Blossom Blaster, 2.5 kg
$895.99Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026 -
Grotek Blossom Blaster, 500 g
$256.99Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026 -
Grotek Bud Fuel Pro, 1 L
$36.26Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026 -
Grotek Bud Fuel Pro, 10 L
$225.50Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026 -
Grotek Bud Fuel Pro, 23 L
$407.80Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026 -
Grotek Bud Fuel Pro, 4 L
$98.25Estimated delivery dates: Jul 6, 2026 - Jul 11, 2026