Hi, how is it best to attach macroalgae to rockwork would a small dab of cyanoacrylate glue be ok? Thanks

HI. Yes std. cyanoacrylate is perfect to attach most macroalgae species. We recommend a glue based one. Just add a bit on a piece of rock or frag plug and after adding the macroalgae dip it in some extra marine water for a moment. After around 1 minute you are good to go :)

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