Do I need cover for tank?
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Old 03-21-2013, 04:31 PM   #1
Julianzh
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Do I need cover for tank?


Currently I am using a SS mesh as a tank cover, but it block out about 30% to 40% of light. If I switch back to the plastic cover, it will increase the temperature a bit. If it safe to not use a cover at all? This is a CRS and CBS tank.
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Old 03-21-2013, 04:41 PM   #2
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i use a glass pane from home depot, cut to size. I don't like the idea of stuff falling into my tank. If your only worry is shrimp escaping, then I don't think you need a cover!
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Old 03-21-2013, 04:41 PM   #3
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I've never needed a cover on mine. It helps with keeping the heat lower (my cube tanks got too warm with the glass cover) but you will have more evaporation, and so you'll need to watch your TDS and mineral concentration more (if you go without the cover). I've only ever had two deaths that I could attribute to them crawling out, and that has been with numerous tanks that I have without covers. I keep the water about an inch below the top of the tank.
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Old 03-21-2013, 04:44 PM   #4
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yeah i dont use covers or if the tank has a hood i off set it so its not totaly covering the tank they can make the tank warmer and that isnt a good thing with shrimp
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Old 03-21-2013, 04:53 PM   #5
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Quote:
Originally Posted by Hobbes1911 View Post
i use a glass pane from home depot, cut to size. I don't like the idea of stuff falling into my tank. If your only worry is shrimp escaping, then I don't think you need a cover!
Will they jump out?

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I've never needed a cover on mine. It helps with keeping the heat lower (my cube tanks got too warm with the glass cover) but you will have more evaporation, and so you'll need to watch your TDS and mineral concentration more (if you go without the cover). I've only ever had two deaths that I could attribute to them crawling out, and that has been with numerous tanks that I have without covers. I keep the water about an inch below the top of the tank.
Thank you for the info.
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Old 03-21-2013, 07:41 PM   #6
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I say YES, I had experienced shrimp jumping to their death many times because I didn't have the cover before.

Why you need cover is because shrimp has the habit of darting backward when get spooked or surprised by something. If the shrimp is swimming across the surface of water and get surprised by your present or other things he/she just dart backward and something out of the water and landed somewhere on the floor.

So just for a precaution it's better safe than sorry. Also cover reduce evaporation of the water = less top off.
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Old 03-21-2013, 08:25 PM   #7
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Never lost a shrimp from jumping, never had things fall in to the tank. Covers are nice to prevent evaporation though, but they also can inhibit O2 exchange some.
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Old 03-21-2013, 08:29 PM   #8
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Default Re: Do I need cover for tank?

My 2 year old has gotten skilled at landing things in tanks without covers. So for me, definitely. Plus I don't like the accelerated evaporation.

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Old 03-21-2013, 08:38 PM   #9
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Shrimp can and do jump but you can always keep the water level a couple of inches lower to feel safer about going with no lid. I have a lid on my 10 and 3 gallons but not on my 12g. The 12G sits right below a shelf though so I don't have a fear of stuff falling into the tank. I tried plexiglass but it warped like crazy so just decided to go without.
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Old 03-21-2013, 10:15 PM   #10
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Default Do I need cover for tank?

One thing that helps jumpers is floaters. I don't use covers on any of my tanks. Never had a jumper.
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Old 03-21-2013, 10:23 PM   #11
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Quote:
Originally Posted by MABJ View Post
One thing that helps jumpers is floaters. I don't use covers on any of my tanks. Never had a jumper.
is frogbit, red root, and water sprite/wisteria good choice?
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Old 03-21-2013, 10:24 PM   #12
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I would love if I had glass covers on all my tanks.....the evaporation is just ridiculous.
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Old 03-21-2013, 10:25 PM   #13
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Default Do I need cover for tank?

Quote:
Originally Posted by Julianzh View Post
is frogbit, red root, and water sprite/wisteria good choice?
All good choices. Water sprite/wisteria.. Eh they're not really floaters.

Salvinia minima is my favorite ATM for nanos. Good sized for the smaller tanks.

I'm trying out Azolla bow
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Old 03-21-2013, 11:12 PM   #14
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It's all a choice of preference really. I've never had a jumper, but then again, that doesn't mean I won't have one in the future.

4/5 of my tanks are open tops and I have a cat too. Surprisingly, he has no interest in my fish tanks so it's a benefit to me. If you're worried about stuff falling in or kids possibly putting stuff into the tank, then get one, but it's not really needed.
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