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04-11-2008, 02:33 AM
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#1 (permalink)
| | Skunk Shrimp
Join Date: Mar 2008 Location: West Midlands,UK
Posts: 281
Karma: 77
 
|  Evaporation
Hi
At the moment i have a reflective lid on my tank so the evaporation of water is just dripping back in, but i'm soon to be purchaseing a hanging hood which can house 312watt of t5 lighting, my question is how much water am i likely to loose weekly to evaporation?
Tank opening measure 101x40cm
Cheers | 
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04-11-2008, 02:42 AM
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#2 (permalink)
| | Peppermint Shrimp
Join Date: Feb 2008 Location: Detroit, Michigan
Posts: 427
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probably alot!!! i dont have a top on my 120 and add prob 5 or more gallons a week just top off
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120g, 3 niger triggers, 2 tomato's, 2 puffers, 2 anglers,
eel, lrg black lion
5g, 4 baby black ociis, haitian, rock and bubble tip anemone, frogspawn, hammers, candycanes, blue ricordia, zenia, leather, plate coral, peppermint shrimp, yellow jawfish, porcelain anemone crab, lrg ass. bristle worms | |
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04-11-2008, 02:49 AM
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#3 (permalink)
| | Fire Shrimp
Join Date: Jan 2006
Posts: 321
Karma: 66
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As far as I'm aware there are no hard and fast rules to working this out. There are a fair amount of factors that will determine your evaporation rate, but as your tank is already running then really it's going to be down to whatever you change. In this case it's your lights and hood. If your lights produce a lot of heat and are near the water service then you will get increased evaporation, but I'm sure you knew that already and I'm just rambling on!
I have to top up my tank with around 5 to 6 gallons a week and my tank measures roughly around 120x50, but every tank is different.
Sorry I couldn't be more help, maybe others will be able to give you a better idea.
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80gal with live rock (35kg/70lbs), 30gal sump, refugium with live rock, chaeto and DSB, V2 skimmer, Fluidized Reactor, T5 lighting (4 tubes), 2 x Koralia 3's, OR3500 closed loop w/SCWD | |
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04-11-2008, 05:08 AM
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#4 (permalink)
| | Gnarly Old Codfish
Join Date: Sep 2003 Location: Silverdale, Washington Age: 58
Posts: 3,952
 
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Quote:
Originally Posted by Executivelevel  probably alot!!! i dont have a top on my 120 and add prob 5 or more gallons a week just top off | Since adding MH, I probably have to do twice that in my 125 which has a completely open top.
No worry about humidity in this house.  _________ AG "125," AquaC EV 180, 30 gal sump, "SCWD", 80 lbs LR, CoralSeaLife "Moonlite" Hood, PFO 250W HQI Mini-Pendant (SPS HQI 14000k bulb)
12 Gallon NanoCube "...nothing good ever happens fast in a reef tank, only bad things happen fast..."
- MIKE PALLETTA - (Home) | |
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04-11-2008, 06:04 AM
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#5 (permalink)
| | Skunk Shrimp
Join Date: Mar 2008 Location: West Midlands,UK
Posts: 281
Karma: 77
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Hmmm could be quite a bit then 2 buckets a week 20 litre, man thats a lot of water , will see how it goes the first couple of week, may have to get meself a ro unit sooner then expected... | |
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04-11-2008, 06:11 AM
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#6 (permalink)
| | Finback Whale
Join Date: Nov 2006 Location: Elizabethtown, IN Age: 40
Posts: 2,704
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You need to uncover the top because that is where all your gas exchange is. _________ Scott 265g (Peninsula)
3x400w MH's, 4x95w Actinics, AAT Lunar Lights, OM 4-way CL, PM Bullet 3 Skimmer, WavySea Plus for return, AAT Kalk Reactor, KNOP Ca Reactor w/PM Second Chamber, TradeWinds Chiller, ACIII Controller, Oceanus ATO, PM PO4 Reactor, 75g Sump, 30g Fuge Born March 5, 2007 My 265 Gal. Tank Thread " REAL TIME TANK STATS "   | |
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04-11-2008, 06:12 AM
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#7 (permalink)
| | Skunk Shrimp
Join Date: Mar 2008 Location: West Midlands,UK
Posts: 281
Karma: 77
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So its better to have a open hanging canopy rather then a closed lid one? | |
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04-11-2008, 06:20 AM
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#8 (permalink)
| | 3reef Sponsor
Join Date: Aug 2006 Location: Va/Ct
Posts: 3,122
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You have a full hood or tight fitting tops ? I ran tanks for ever with full hood But I have the entire back open with Fans pulling fresh air in all the time I never had an issue with condensation.. You must have that top sealed up tighter then Dicks Hat band . If you are having condensation issues it may need to be loosened up a tad . (:
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Some of the world's greatest feats were accomplished by people not smart enough to know they were impossible. | |
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04-11-2008, 06:28 AM
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#9 (permalink)
| | Bristle Worm
Join Date: Jan 2008 Location: Miami, FL
Posts: 139
Karma: 94
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on my 75 with MH I add a little more than a gallon a day and thats with no cover at all _________ Link to My 75 Reef Hardware 75G 20G DIY Refugium/Sump 2 250W MH, 4 65W PC Koralia 1 and Koralia 2 Powerheads for Currents Mag 9.5 for Sump/Fuge Return TLF Phosban Reactor Coralife Super Skimmer Software Domino Damsel Sixline Wrasse Coral Beauty Maroon Clown Reef Hogfish Cleaner Shrimp Camelback Shrimp Assorted Turbo Snails Red Legged and Blue Legged Hermits 3 Mexican Turbos Frogspawn Coral Foxtail Coral Pulsing Xenia Bubbletip Anemone | |
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04-11-2008, 06:30 AM
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#10 (permalink)
| | Skunk Shrimp
Join Date: Mar 2008 Location: West Midlands,UK
Posts: 281
Karma: 77
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Not having condensation issues, just enquireing on how much i am likely to loose in water when i get my new hanging light canopy in place, at the moment the lid just lies across the top of the tank in one piece, so waters just dripping off it back into the tank... | |
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