HELP guys, every time I do a water change even 10% my snails die a few days later, also my sea urchin lasted a few changes but now he is dead as well, last I bought a condy he was great until I did a water change ( yesterday) this morning he is dying , the fish are always fine, levels are also fine>OK here we go I ( I know its wrong) but I use my well water for changes but I add the proper levels of salt, wait until the water clears and then slowly add the water, I have never had issues with fish doing this but this my first round with inverts, (OH by the way I have a fire shrimp and a cleaner shrimp and they have been perfect the whole time they even shed every 2 weeks which i think is a great thing) so please Help, some more info , I am using a canister filter fluval 404 for a 65 gallon tank, 2 power heads 50 lb of live rock, live sand 2 inch bed, the salt I use is instant ocean my level 1.025
thanks in advance
thanks in advance