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Tag: sunlight and koi

29
Dec
2019

The Importance of “Light” to Koi, Goldfish and Aquarium Fish in General

Dr. Erik Johnson

Why Can’t Koi and Goldfish Live in the Dark? Is “Sunlight” Absolutely Necessary? It bears mentioning that…

Koi & Pond Fish, Plants & Algae, The Facilities & Ponds do koi need sunlight, koi need sunlight, lighting requirements of koi, pond fish need light, pond fish need sun, sunlight and koi, what does sunlight do to fish

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