Indigrow Upstream Black

Indigro Upstream Black Lake Colourant is a concentrated easy to use aquatic colourant. Natural dyes darken the water and preclude sunlight from promoting re-growth of algae and weeds whilst giving a much improved aesthetic appearance. Applied at the surface, it rapidly disperses downwards to provide a natural black colour within minutes. Upstream Black has been designed for effective use with Upstream BioClear.

Key Benefits:

  • Liquid formulation allows flexible application rates
  • Slows algae growth
  • Should be used after Upstream Bio-Clear has removed algae


Pack Size: 1 ltr

Type: Liquid

Pack Coverage: 2,000 m³

Price £39.91 ex. VAT
RRP £46.96 ex. VAT
Price £47.89 inc. VAT



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