English 
Bud A is a professional base for the flowering stage to produce powerful plant with high quality and yields.
Features:
• Professional nutrients
• Quality and freshness
• Suits for soil and hydroponic
• Bud A+B includes all necessary the elements for growing
• 4 forms of Calcium
• 2 forms of chelated Iron
• Can be mixed with other products for the best harvest
.
Bud A is a professional base for the flowering stage to produce powerful plant with high quality and yields.
Features:
• Professional nutrients
• Quality and freshness
• Suits for soil and hydroponic
• Bud A+B includes all necessary the elements for growing
• 4 forms of Calcium
• 2 forms of chelated Iron
• Can be mixed with other products for the best harvest
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Can someone tell me what this is being caused by? My suspicion is a potassium/ calcium deficiency? It's affecting mostly the larger fan leaves. Also, affected leaf stems are turning purple. Posted a pic of one of the leaves 
