Vertex Aquaristic (Germany) worked with GlueTec GmbH to develop a two-part epoxy stick with the following aquarium-friendly characteristics:

  • Reduced clouding in the water column
  • Extended malleability period to allow aquarists longer working times to attach corals or rocks.
  • Reduced impact on skimming performance
  • pH netural
  • Violet coloration to blend with coralline algae


4 ounce (114g) V-Collar Viola sticks are now available in Europe and should soon be available through authorized Vertex distributors worldwide.

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