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i want to switch from red sea to tropic marin salt mix. Will i need to use half and half? Or could i just start making water with the tropic marin. I don't really want to put anything into shock. thanks in advance for your help.
someone told me that i had to do like half and half and then gradually use more tropic marin but i just didnt want to kill anything because of switching salts
Personally, I think that concern is overrated. We switch between a couple of different brands of salt fairly regularly and handle it through water changes. Unless you have EXCEEDINGLY sensitve livestock in your tank I wouldn't give it a second thought. Just start using the TM to make up your water change water and eventually you'll be changed over. I doubt you'd see any adverse effects. JME, others may disagree . . .