Refractometer Light Shield
$4.99
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Refractometer Light Shield
$4.99
Free overnight on $350+ · GTA same‑day
Overnight shippingFree on orders $350+
ON, QC$49.99
MB, SK, NB, NS, PE$69.99
AB, BC, NL$89.99
Ships Mon–Thu, arrives next day, usually before noon.
GTA same-dayUber courier
Arranged after you order.
Pickup in VaughanFree
Choose Local Pick Up at checkout.
Reliable shipping
Flexible returns
Refractometer Light Shield – For Hanna & Milwaukee Digital Refractometers
Improve the accuracy of your salinity readings with the Treasure Corals Refractometer Light Shield. Designed to block stray light from interfering with your digital refractometer, this simple add-on ensures more consistent and reliable measurements—especially in brightly lit rooms or near aquarium lighting.
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Compatible with Hanna and Milwaukee digital refractometers
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Blocks ambient light for more accurate readings
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Lightweight, compact, and easy to use
Made in Canada using high-quality, reef-safe plastic.
Note: Refractometer not included.