Nutrient burn, magnesium def, light burn? Leaf tip yellowing but not turning brown/curling

Tubington9
Tubington9started grow question 5y ago
4 week since planted autoflower, both started getting this at the same time. First time running autos, grown in FF Happy Frog soil. Soil was used for 3 weeks in a different grow so nutrients may be needed. Light burn, mag deficiency? Have only used ph 6.2-6.5 water, no nutrients.
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Leaves. Color · Yellow
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Hashy
Hashyanswered grow question 5y ago
Lacking in nutrients mate. The soil nutrition will be depleted. So 1st feed with nutes use week 5 or 6 of there schedule at half strength, see how they respond, then next feed push 3/4 strength see how they respond then water for next feed and repeat.
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