How to reduce brown algae diatoms in new tank? UK Aquatic Plant Society Sunken Garden Green Red Vibrance All In One Aquarium Fertilizer Why are my aquarium plants turning brown? You can use Epsom salt on soooo many plants in your garden!!!Tomatoes * Helps prevent magnesium deficiency (yellowing leaves) * Can improve fruit production and flavor * Use: Apply Epsom salt solution AoB Plants Chief Editor vacancy