Dinoflagellates.

I've been considering the exact same method for dosing phyto - did you keep the bottle cold? Been wondering if I need to get complicated with a dorm fridge or not.
 
I don't have a dino infestation, but dinos are always present... waiting in the corners for me to screw things up so they can mount a revolt and take over again. Paranoid much?

First, they send their cyano friends to check things out. If the cyano find enough dirty gunk, death or waste, they call over their nasty dino buddies who come to dig in.

Strangely enough, my corals do produce mucus more than I'd expect. Maybe the battle goes on in the invisible space but I don't see any dinos.

I turn off my skimmer at night now when I dose my phyto. I also turn off my UV by day. The corals seem to like it, so we'll see how well that goes.
 
I'm starting my own culture too. I have a 600gal tank, so that's 60ml a week... I want to move to 60ml a day, but that's $$$ expensive unless I can culture a lot.

My skimmer is also a beast. Even adding the phyto with my skimmer off for 6 hours, my skimmate liquid still has a green tint ... :( But it's still worth it for the portion that gets consumed.
Culturing it is soooo easy, fast, and a great way to save. From a small amount, I'll have a gallon of phytoplankton in 5 days. I just can't culture copepods for the life of me.
 
I'm working it, but I can't keep the culture fully suspended. There's material that keeps ending up on the bottom of the container and I have to shake it daily.

It's ok, but I need it automated.
 
Quiet_Ivy, don't give up...i know you said you're keeping your NO3 at 15, are you also keeping your PO4 at ~.03? I think dinos flourish when there is an imbalance between NO3 and PO4 so if you have limited PO4, have you tried dosing? Something like Brigthwell NeoPhos can add some PO4 without polluting your tank even more.

I'm just discouraged. I'm running out of low tech-low cost options, things are getting worse and even if I do beat the dinos down my sandbed is going to be SO full of cysts.

I was keeping NO3 at 5ppm, the spike to 15 was a mistake. Phos at about .05 I was dosing NaNo3 at about 3ppm *daily*, and a (land plant based) P fertilizer weekly. Currently nitrate is still about 15 which is very odd. P undetectable.

ivy
 
So what's the plan for attack now? Avoid dirty method and dose phyto?

Well, the dirty method Does work even if we don't know exactly why, so I don't think ditching it is justified at this point. Definitely dose phyto, live if at all possible.

Reefing is the definition of empirical science (We do stuff this way and it works but we don't really know why and can't prove it)

ivy
 
Can anyone ID this?

With naked eye it looks like spider web attached to SPS.

Az8m2x7.jpg


HFGROv6.png


OzuukFl.jpg
 
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I'm not seeing major issues with that. Maybe some diatoms if you are referring to the little bit of rusty color stuff. Making sure your DI output is 0TDs can help. Also, GFO may help if it's a silicate issue. Personally I think it looks good based on that picture alone.
 
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