Two questions: white stuff & browning leaves?

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Hi all! I’m new to aquariums and aquatic plants and had two questions (I don’t have any fish in the tank yet fyi): 1) what’s the greyish-white stuff in the picture below and how do I remove it (if I need to remove it, that is)? 2) in the second photo, what’s causing my plant leaves to brown?

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Profile updated: 18 hours ago

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GreenTochtli

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r/PlantedTank

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Posted: 1 year ago
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