Should I be doing waterchanges?

Vwluv10338

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My tank is about 8 months old.
29g
Sump with skimmer and 3g fuge with macro
Started with mostly old dry rock
Added one rock from established tank because it had a nem on it

Clown goby
Pair of clowns
Royal gramma
Mixed reef

Current levels
Alk-8.1
No3- 5
P04 -0.06
Haven’t measured CA or MG in a while
Currently dosing Kalc via doser vs ato
Hanna ULR po4 and all all other tests are Redsea
Intermittent dosing of Redsea trace abcd


I had fought dinos twice now. For a while my nitrates were at .25 and I was able to dose nitrates and phosphates to get them up and eliminate dinos. I got them up to 8 and 0.08 and things were looking good. I decided to switch from Kalc to All for reef to take care of my dosing needs all in one. I hadn’t needed to dose ca or mg so I haven’t been testing for them regularly and just keeping all stable with Kalc. I got the all for reef stable dosing 2.5ml a day so I ordered a largish order of sps frags. I added a new frag rack and immediately dinos showed up on it. Checked my nitrates and I was back down to .25. It had been two weeks since I had tested but I had turned my fuge light time down trying to keep my nitrates at 8.
These dinos were much worse than before. I dosed nitrates and phosphates, pulled the cup off my skimmer, dosed MB7 , turned my fuge back to 12hr opposite tank and I took a few weeks to knock back the dinos. I also pulled the all for reef and went back to kalk. I had read about molybdenum possibly causing Dino outbreak and wondered if my All for reef was dosing too many trace elements or if that was just coincidence. I think I have only done one water change in about 6 months since my issue was keeping nutrients in the system. One other possibility I was thinking was the system being trace element starved and the all for reef caused the coral growth to pick up which dropped my nutrients back down.
Currently a few of my montis and Afros turned brown and I’m guessing it was because phosphate got up to 0.12 max. My anemone has never been right since I put it in and I have spent a few months nursing it back to health after it bleached when I first put it in. About the time the second dinos started it split so I guess it really wasn’t happy. Pic is of the tank right before the second Dino outbreak.
Should I go back to All for reef and just try to keep nutrients up? I feel like I was getting better results with it before I had a mini crash.

CD27EF95-A38F-4FAB-84D5-D84761C5EDCF.jpeg
 
I dose all for reef, chaetogrow, sodium nitrate and sodium phosphate and do water changes.
If you are doing ICP testing it may make sense to do no water changes and dose what you need, but that buys a lot of salt.
Also, when I did water changes after getting rid of Dino’s I just pre dosed with nitrate, phosphate.
If you have the Dino species that goes into the water column at night, UV in the main tank will help.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

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  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%

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