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WTB - 2 Optical Sensors

Thatguy96

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Prefer new ones if you have it but please make sure if they are used they are in good shape. PM or text (302) 438-2577

Merry XMas everyone!
 

marioensf

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Optical as in audio/fiber?
I have four, two 6’ and two 12’

image.jpg
 
OP
OP
Thatguy96

Thatguy96

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Sorry I meant to say Optical sensors ha ha for my Apex.
 

High pressure shells: Do you look for signs of stress in the invertebrates in your reef tank?

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