Recent content by matsari

hi did a test this morning from a test strip ph - 6.8 free chlorine - 0 alk -120-180 stabil - 150 yes in metres - pool holds 85 tons water we were told to add soda ash which we did yesterday wil test again in 24hrs at the same time we are brushing the walls trying to clear the white stain...

hi we have a 10 x 5 overflowpool - inner pool is made of hydrazzo, ph is totally of the scale colour is lightish orange or terracotta colour so not sure what we should add. the walls have a shadow of white and we brush it becomes a milky whte effect and clings to the hydrazzo can somebody...