Use sterile tap water to avoid damping off

12th March 2021

Use sterile tap water to avoid damping off

Damping off can easily happen if you don't use sterile tap water for your seedlings - I've watered my lettuce 'spares' with water from the butt next to the greenhouse over the last week, and now they are collapsing. Pricking out some of the healthy seedlings before the disease reaches them, it's clear that only a few seedlings have good well-formed roots, the others have almost no roots and have collapsed. Throw them out, and wash the trays with bleach solution.

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