Another option is potassium permanganate. A strong solution (dark pink) should kill anything living, and you only need to rinse before reuse. However, pp is more difficult to find & costs more than bleach. So for the occasional disinfection, beach should be just fine.
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80 gal FW with 30 gal DIY wet/dry/sump.
9 fancy golds, 1 hillstream loaches, 1 rubber-lip pleco (C. thomasi), 3 SAEs, small school of white cloud minnows, planted.
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