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Sub-Total: $281,261.00MN
Replacement Potassium Sensor for ...
$5,095.00MN
Replacement Sodium Sensor for LAQUA ...
Replacement Calcium Sensor for ...
Night Sky Proyection Kit
$260.00MN
windmill generator
$326.00MN
Green Science- Grow-A-Maze
$309.00MN
Weather Science
Orion StarShoot ...
$9,883.00MN
LAQUA Twin Sodium Meter
$12,433.00MN