Just to recap, you've been fishless cycling your 29gal by adding household ammonia since around Feb 15.
You're basically ~10 weeks into it? Man that's a long time. I have read of people taking 2 months or so, but usually it happens a bit quicker.
I commend you for your patience. 5ppm nitrites is a start, but they should shoot right off the chart if you dose more ammonia. I would dose ammonia to 1-2 ppm. It should disappear within a half a day or so and convert to nitrites. Your nitrites obviously would then be higher. If your nitrite to nitrate phase stalls, do several large water changes and then lightly does ammonia (~1-2ppm) and see if it all disappears within hours. Check your nitrites at that point to see if they're zero. Then measure for your nitrates. 0,0 and something = you're good to go.
You're basically ~10 weeks into it? Man that's a long time. I have read of people taking 2 months or so, but usually it happens a bit quicker.
I commend you for your patience. 5ppm nitrites is a start, but they should shoot right off the chart if you dose more ammonia. I would dose ammonia to 1-2 ppm. It should disappear within a half a day or so and convert to nitrites. Your nitrites obviously would then be higher. If your nitrite to nitrate phase stalls, do several large water changes and then lightly does ammonia (~1-2ppm) and see if it all disappears within hours. Check your nitrites at that point to see if they're zero. Then measure for your nitrates. 0,0 and something = you're good to go.