Hikari® Silkworm Selects Natural Growth Booster, 17.6 Ounces Solar Provides stable cold-weather nitrification

Provides stable cold-weather nitrification

5" in diameter with approximately 25 square inches of surface area

In cases of heavy build-up

discharge assembly

self-contain design greatly enhances reliability

Hikari® Silkworm Selects Natural Growth Booster, 17.6 Ounces Solar Provides stable cold-weather nitrificationHikari Silkworm Selects is a daily diet growth booster offering heightened lipid and protein levels with more than 50% natural silkworm pupae. A natural flavor and taste Koi love! Centuries of History For centuries, Japan's finest Koi breeders have used silkworms to help Koi rapidly bulk up. Although naturally high in lipids and fatty acids, silkworms have been difficult to keep from oxidizing. Hikari has developed a proprietary process that not only