Enter your Initial and Final Coral Diameter, Time Period, and water parameters like Temperature, pH, Alkalinity, and Calcium to calculate your coral's Monthly/Annual Growth Rate and Growth Health Status for your Coral Species.
Monthly Growth Rate
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Total Growth
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Annual Growth Rate
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Size Increase
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Growth Health Status
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Growth rates vary significantly by species. SPS corals like Acropora typically grow 2-5 cm per year, while LPS corals grow 1-3 cm annually. Environmental conditions greatly influence these rates.
Accuracy depends on measurement consistency and time period. Monthly measurements over 6-12 months provide reliable data. Use consistent measurement points and tools for best results.
Temperature, lighting, water chemistry (pH, alkalinity, calcium), and feeding are primary factors. Stable conditions within optimal ranges promote healthy growth rates.
Slow growth can indicate suboptimal conditions like insufficient lighting, poor water quality, inadequate feeding, or stress from parameter fluctuations. Check all environmental factors.
Monthly measurements are ideal for tracking growth trends. More frequent measurements may show too much variation, while less frequent ones may miss important changes.
Yes, placement significantly impacts growth. Higher positions typically receive more light and flow, promoting faster growth in light-loving species like SPS corals.
Yes, this calculator works for fragments, but expect higher growth rates initially as small frags often grow faster relative to their size than established colonies.