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Today I don't a coral rx dip on my zoas? Cause I felt some were dying for no good reason. Afterwards I found a lot of pest in the water. How do I figure out of they were good or bad. They look look copepods or amphipods. And one liked like a tiny tiny red star fish.

Is calcium dropping to around 380 too low? Or would that be ok?

Also I have ai hydra light. Surely these have enough power thanks.

Ok so the only thin that drops rapidly in my tank is the alk. Other than that everything else will last the week for my water change. So should I be ok with growth. I use Red Sea pro salt.

Heyvjust looking to change from softies lps to sps lps. But whats the things I need for success. ie carbon bio pellets. Zeo? Whats needed thanks.

I answered on my other topic

I get phos and mag tested in my local fish shop. And my mag is always at 1250-1300 never below. Don't know why. And only recently my calcium had dropped to 380. I have never seen that drop ever. And potassium never changes ever.

Redsea reef pro. And it drops from 12 to 7 within a week. It's crazy.

I have calcium which is at 380. And potassium I also have which is spot on. And my magnesium has never dropped in my tank ever. Just alk.

I have 2 tunze 6045 and 6055 wave makers with 2 sun sun 15000 litres an hour wave makers also. Then I have a v2 1000 skimmer. I have 36w jbl uv and I have ozone also. Then 2 ai hydra fixtures over my tank. I mainly have a few torch and frogspawn corals and trumpets. They all do perfect and most...

My temperature doesn't swing I live in ireland and the weather never get too ht to knock it out by too much. Ph is always 8.4 never seen it lower ever and then my water is pre mixed in the lfs. So when changing water. I siphon my water straight out my window and have it marked where to stop...

This is what I meant

Yeah I have the Red Sea master test kit. But I reckon I do have a quiet a low nutrient tank. I wonder if that's why my softies are taking a beating lately. Thanks for the info

But are nutrient not other things than just nitrates and phosphates? Could it not be a high level of zooplankton or phytoplankton in the water or high levels of other bacteria?

I change about ten per cent a week water on top of the alk dosing. But that's about it really. Nothing too dramatic.

I rarely have to remove any algae probably once a month if needed.

How can I test if nutrients are low in my tank. Or too high? Thanks

And what about calcium? Also they do have tester and my nitrate is definitly zero with the Red Sea nopox. But my phos probably is under 1 but still high I know. And how would I be achieving ultra low nutrients I do get algae and feed at least twice a day. I also have a red playing monti which is...

few pictures

1. Type & how long you have had it: Kenya tree coral, xenia zoas and cup coral polyp also some star polyps 2. Current lighting & Bulb Age: Led. Ai hydra X 2 3. Nitrate: 0 (nopox) 4. Calcium: 380 bit low i know 5. Phosphate: Very low I use rowaphos 6. Alkalinity: 10-12 7. pH: 8.4 8...

That brown green colour just looks like high phosphates to me. Although the sand surrounding that looks pinkish red but I think that's your like. Why not get you phosphates tested And if there is any get some rowa-phos

Really? How else would you know then. Because of the easy removal or what? You have alot more knowledge than me so I bow out here.

Cyano is red and is easily sucked up with water change tubing. While algae not so easy. It also smells strong when out of the water. I lowered the timing on my lights and it removed all algae for me.

I dose alk because within a week it drops from 11-7 it's outrageous. And I couldn't do a 25% wc a week max I can do is 10 just too expensive.

And how do you keep it low nutrient. Any additives or just water changes. I have a lot of experience with everything except sps.