Water testing company

Thank you- I have been using Oceanic for a couple of years. I sub. Reef Crystals these last 2 water changes because I was out. My city has RO water, plus we have a whole house filter, and all my makeup water in the garage is run through my RO/DI unit. all top off water is the same. I have run tests on my salt batches. I do aprox. 25% water changes every 10 days to 2 weeks, and have for a long time.
 
Do a couple of closely spaced 50% water changes and start running carbon 24 x 7. Odds are quite good that things will start rebounding in a couple of weeks ;)
 
I don't have the capability to do a 50%. The RODI takes hours to make up 30gal, then it needs to be chilled. I can run the carbon 24/7- how much should I run, how often to change, and what are you looking at for it to remove? Thank you.
 
You could do several successive 30 gal changes instead.

GAC removes organics, and nasties that build up over time. Some reefers run a small amount of GAC all the time, and change every week or two.

Hope your corals get better soon.
 
Thank you. I have had Chemi pure running for the past several days. I started running Chemi pure or carbon only a few days every couple of weeks after I saw a number of people doing it that way in Paletta's book I understood that running it constantly maybe took too many of certain nutients out of the water.
 
I understood that running it constantly maybe took too many of certain nutients out of the water.

That's one of those pervasive hobby myths based on ideas without any actual science or testing of any sort to back it up ;) Several years ago Dr. Shimek did some pretty comprehensive testing of various tank water from a large array of tanks run by different people and different filter regimes. Even heavily skimmed and carbon filtered tanks showed excessive quantities of anything you could think of compared to natural sea water values, with the exception of iron being the only thing showing a decrease. So I wouldn't be afraid of carbon use ;) For your size tank I would use about 2 cups of high quality carbon and change it out every 3 to 4 weeks. Among other things it pull it, are the chemicals released by your soft corals that can indeed cause problems with hard corals.
 
I am using Black Magic Research Grade. Thank you for the thought on carbon.
Have you gone through Paletta's book, and read what some people do, or don't do- and they are successful! (I, however, am not) Thales-the salt mix is a good idea, although I've had recession in the past, right now it seems to be escalating. when I did the past 2 water changes, the alk. in the tank rose higher than usual- even though it didn't read that way in the make-up batch. I always check Ph, alk, ca, and temp. and correct accordingly before adding. I will check through my log, hopefully in the morning. I am getting ready to leave in the a.m. for IMAC in Chicago- a day early for the behind the scenes tour of the Shedd Aquarium. I signed up too late last yr. , and missed the tour, but did visit Shedd anyway. I live in Fl- and have visited many aquariums- SeaWorld, Atlanta, Monterrey Bay- and Shedd beats the, all. If anyone sees any speakers on the list that I should pick their brains on- let me know please. I will have my lap top with me. I appreciate everyone's constructive help! Dawn
 
The Black Magic stuff is good :thumbsup:

Yes, I've read Paletta's book, and most every other one out there going back to some of Robert Straughan's early stuff. Thinking about how long I've been at this makes me feel old :eek2:

BTW have fun at IMAC. Sometimes the talk over beers is better than the actual talks :D Unfortunately for me I've got too much going on right now to have made the escape, so I'm holding for MACNA ;)
 
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