BioBizz, for example, finishes with plain water after the last flowering week. In coco and hydro many growers run a week or two of plain pH-adjusted water, or a product like CANNA Flush, which is used in the last 1–2 weeks. In living soil most people just taper the feed or skip it.
Whether this changes the final quality is debated, so don't stress about it. What does matter is not forcing a late bloom feed on plants that are already finishing. See your brand's schedule in our nutrients.
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