Some were old media, but as I'd left the canister dormant for close to a week plus without running, I doubt I had much BBs inside left when I restarted it. Good thing was that ADA's soil leaked a boatload of ammonia at the start. I overdosed heavily on bottled BBs. Somehow it sped up my cycling. The last time I cycled this same tank, it took me 12 days to complete cycling. For this round, measured the Nitrites on the 6th day and it was 0, surprised me too as the previous day when I measured, it was out of the charts.
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