Depends on the temperature .... It took me 8 weeks to go through the nitrite phase at mid 70F. It will be faster at higher temp, but you still need patience!
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.