The research question posed for the investigation into starfish removal from spat collectors asked which compound would be the most effective at removing the starfish, and whether or not spraying concentrated solutions of these compounds would be an effective application method.
Obviously due to the obstacles discussed previously, the first part of the questions was not able to be answered.
Having only carried out trials using calcium hydroxide, a comparison against brine and calcium oxide could not be made.
Also, as discussed earlier, the inability to get the starfish to consistently attach strongly to the mussel lines created error in the results.