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Recent content by Eric JIM

  1. alk and Ca Question

    Thank you for your kindly reply! What do you usually use to absorb PO4, is Kent's PO4 sponge a good choice. From the web site, they say that this absorber can be regenerated in high temp. any limitation? how many time that can be regenerated? The chemical equation od this absorber is Al2O3...
  2. alk and Ca Question

    Randy, You are great for answering my Questions and helping me a lot. Instead of using the PO4 absorber, people like adding PO4-Minus,which is German made. Does it work and have you ever used this chemical in reef tank before. This is the link for PO4-Minus...
  3. alk and Ca Question

    Yes, I checked the conc. of phosphate yesterday. it is about 1ppm0.5-1ppm, is this the problem for stopping the growth of the coraline aglea. Thank for your kindly reply:>>>>
  4. alk and Ca Question

    That means I have to stop using Ca reactor untill falling back to 400ppm. And also high Ca and alk. will hurt the reef. and any effect on the growth of coralline aglea since I want to grow some coralline aglea in my reef tank, but i add the Ca reactor for few months but can't see any different...
  5. alk and Ca Question

    I am new. I hope you can give me a good suggestions. I added my DIY Ca reactor in my 200Litre reef tank a few months ago, it works great. I checked the alk. and Ca level one week ago, alk.=17KH, pH=8.17, Ca=65oppm. I think Ca level and alk are both too high, I want to grow some coralline aglea...

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