** Phoslock Environmental Technologies PET.AX soars 35.7% to A$0.019; set for highest since December 9, 2025
** Water treatment products maker reports 371 tons in December-quarter sales volumes vs 251 tons in last quarter
** Sees sale volumes to increase significantly in 2026, driven by strong demand in Europe, with several large lake applications expected in Q4
** PET gains 35.7% YTD; had fallen 44% in 2025
(Reporting by Shruti Agarwal in Bengaluru)
((Shruti.Agarwal@thomsonreuters.com))