Official BeanAnimal shirts, mugs, and other reef-themed gear for anyone who wants to rep the tank-nerd life. BeanAnimal’s Reef merch is fulfilled through Fourthwall, a legitimate print-on-demand company that...
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Home of the "Bean Animal Silent and Fail-Safe Overflow System" and many more interesting things reef aquarium, engineering, electronics and even food related.
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This week’s hottest
beananimalBulkhead Gaskets: Seal the Flange, Not the Wet Side
Two rules get repeated constantly: “the flange goes on the wet side” and “the gasket goes on the wet side.” Neither is correct. Both describe one common layout, not the reason it works — and both...
Read the Plunger: Measuring Accurately with Syringes
Read the Plunger, Not the Liquid Level A syringe is read at the leading edge of the plunger—the edge closest to the tip. The visible liquid level inside the barrel does not indicate the volume drawn. This is not a...
Why the Redfield Ratio Misleads Reef Keepers
Understanding the Redfield ratio is easier than you think The Redfield ratio has become one of the most confidently repeated misconceptions in the reef hobby, and as usual, my mission is to correct the record and stem...
