I prefer the BeanAnimal overflow which is basically a Herbie with an extra hole/pipe:
http://www.beananimal.com/projects/s...ow-system.aspx
You can apply the same principles in the BeanAnimal for a bottom drilled tank or, as in my case, an external permanently mounted overflow box (not a siphon overflow).
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SPS Dedicated 24x24x20 Trimless Tank | 20 g Sump | Bubbble King Mini 160 Protein Skimmer w/ Avast Swabbie | NP Biopellets in TLF Phosban Reactor | ATI Sunpower 6 x 24W T5HO Fixture | EcoTech Vortech MP20 | Modified Tunze Nanostream 6025 | Eheim 1260 Return Pump | GHL Profilux Standalone Doser dosing B-Ionic | Steel Frame Epoxy Coated Stand with Maple Panels embedded with Neodymium Magnets
"Mens sana in corpore sano"
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