When placed into the pond this block slowly dissolves releasing di-methyl urea into the pond waters. Whilst totally harmless to fish and healthy pond plants this inhibits the growth of water born algae. Prevention is always better than cure so the introduction of this item in early Spring will prevent build up of algae as the weather warms.

Product code: 214

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50g Pond Vacation Fish Food pack 12 This feeding block is designed to act as a supplementary source of food. When placed in the pond it will dissolve over a period of 2/3 weeks slowly releasing food.

Product code: 215