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If your resin is working properly, there should be a tds reading of ----0---- after the resin. If you add a carbon after the resin, most likely tds wont be 0 anymore. If you want to add something after the resin, add another resin. If you want to add another carbon, add it just before the ro.
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Please don't feed the bears because the bears will become dependent on free handouts and forget how to take care of themselves …...
Current Tank Info: 75 Gal. Mixed reef mostly sps
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