Hydrometer Correction ExplainedThe Tropic Marin Precision Hydrometer is widely regarded as one of the most accurate tools for measuring the salinity level of reef aquariums. This hydrometer measures specific gravity and...
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This week’s hottest
The Real Risk of Botulism When Smoking Uncured Jerky: Virtually Zero
Botulism Fear MongeringMost so-called “meat smoking” gurus and their followers in various online forums rail against smoking jerky without curing salt, raising alarms about botulism poisoning. They parrot...
Real Smolov Jr. Calculator
So you just smashed out 3 weeks of Smolov Jr. bench (or squat) and said “wow that wasn’t so bad, why do people say this is so hard?” Maybe it wasn’t hard because the person that wrote your...
PAR Meters – Illuminating or Not?
Everyone around you is using a PAR meter to measure their lights. Coral vendors are posting PAR numbers, and light manufacturers are quoting PAR values. Buyers demand PAR measurements from vendors—both for fixtures and...