well my alk was low and calc. was high so I have added some kent buffer to start to equal it out and know it is looking like my clam is going to the big tank in the sky would that kill it or would it be something else it was doing great before this. have had it for almost a year know and if it is almost dead how long should it be left in the tank before it dies and starts to polute the tank thanks for any input rob 
