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Old 01-22-2009, 04:55 PM   #1
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Ditaoms

I'm sure this has been asked here a zillion times.. So.. First off.. Sorry to ask again......

Should I be worried about my DIATOM Bloom?

Tank has been running for 7 weeks Total:
3-4 weeks Cycle with LR and a dead shrimp
3-4 weeks with Livestock (3 small fish)

I upgrade my lighting last week and a few days later I've got Algae EVERYWHERE... PIC Below

I've been searching for a few hours online today about this and have read that it is a natural stage in the life of a new SW Tank. SO, I guess I'm not overly worried.. Just wondering if I should run out to the LFS this weekend and build a CUC?

Here's a pic I took yesterday. It's gotten progessively worse since this was taken. It's all over the substrate now and I've cleaned the glass a couple times already.:
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Old 01-22-2009, 05:00 PM   #2
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You need a CUC to clean up those diatoms, how much is a bunch of snails? You need a really good snails for the diatoms. Astrea or Margarita or Turbo snails are pretty good, I used to have diatoms blooming like crazy. How long do you turn on the light daily? I used to turn it on like 10hours and I cut to 6-7hours per day, it helps also.
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Old 01-22-2009, 05:11 PM   #3
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Quote:
Originally Posted by bawel View Post
You need a CUC to clean up those diatoms, how much is a bunch of snails? You need a really good snails for the diatoms. Astrea or Margarita or Turbo snails are pretty good, I used to have diatoms blooming like crazy. How long do you turn on the light daily? I used to turn it on like 10hours and I cut to 6-7hours per day, it helps also.
I only have 6 Margarita snails. When I first added my livestock, I bought 10. However, 4 died either of starvation or due not being able to right themselves when the ended up on their backs. However, I have not lost any inverts since that first week.

I can't get to my favorite Fishstore until Sunday as it's like 30miles away and I don;t like the local prices. I noticed they sold CUC packs.. I'll have to see what they consist of on Sunday.

So, you confirm that is Diatom though, right?
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Old 01-22-2009, 05:19 PM   #4
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the pictures definitely depicts diatoms, the brown algae, the funny thing they are all on your rocks and not on your sand bed. I only have 29g and I have 9 snails, hardly any diatoms outbreak, so I think cut your hours and get stronger snails like the turbo will be good... altho they get big real fast. Remember if you see your snails upside down, turn it back, because they can't flip themselves, so maybe that's how your snails died.
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Old 01-22-2009, 05:29 PM   #5
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Thanks for the advice.Actually, that pic was taken yesterday. The Algae is all over the sandbed now.

I learned the hard way about the snails. At first, I did see a couple on their backs and left them alone thinking they'd right themselves. After reading a bit online I found out they might not be able to. Since then, I've been using a piece of 1/2 PVC to reach the bottom of the tank to flip themback over. Actually, come to think of it. I haven't had to do it in a while.. Maybe they are learning

ALSO - I DEF need to cutback my lighting.. I currently have my Actinic on from 10am to 10pm and the 10k bulbs kick on around 11am to 9pm.
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Old 01-22-2009, 05:37 PM   #6
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OH boy... 12hours of lighting is way too long, no wonder the diatoms are blooming... i think you should cut it back at least for now like 6 hours per day, use timers is best.
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Old 01-22-2009, 05:49 PM   #7
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LOL.. Funny thing is I DO have them on Timers..

I was using a cheapo Hood/light Combo with a 20W F bulb and didn't have any issues... I'm paying for it now that I've got more Watts beaming down.

OK..Gameplan is to run the lights ALOT less.. I'll have them come on at 4pm and turnoff 10pm. Sound OK? This is good for us as I like to sit on the couch at night and watch the tank while the Islanders lose on TV.

I'll also add more snails on Sunday when I get to FishTown
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Old 01-22-2009, 05:53 PM   #8
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Yes it looks like diatoms to me. I would cut your lighting back to 6 hrs a day also. What type water are you using? From what I understand silicates fuel diatoms so once they burn them up it should disapear.
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Old 01-22-2009, 05:57 PM   #9
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Yeah 4pm to 10pm sounds really good. I hope the diatoms will go soon, it takes mine about a week to clear up, with your size tank probably with more snails it will be faster

I think Melosu can help you better, he's more of an expert than me I'm a newbie too.
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Old 01-22-2009, 06:05 PM   #10
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Still using declorinated TAP water. I DEF plan on getting a RO/DI unit as I want this to be a Reef tank eventually. I think the RO unit will be my next purchase.
I have to read up on them a bit more to see exactly how they work and get installed. My Tank is nowhere near a water supply in my house so the unit may end up installed in my basement.

My LFS sells RO water for $1/gal. I was thinking of picking up 10gals on Sunday when I get there. I'll use 5gal for my weekly PWC and leave the other 5 for Top Off.
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