Illinois - Aquariums - Lighting - Testing - LED - Selling Apogee MQ-510 Par Meter | REEF2REEF Saltwater and Reef Aquarium Forum
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Apogee MQ-500 PAR Meter hands-on and first impressions | Reef Builders | The Reef and Saltwater Aquarium Blog
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Apogee rumored to be developing a USB PAR meter | Reef Builders | The Reef and Saltwater Aquarium Blog
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BT881E Digital IlluminanceLight Meter Measure Lights 001~300000 Lux 001~30000 FC Foot Candles Par Meter Luxmeter for Plants Aquarium Light Tester - Newegg.com
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