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- From: rtc@sgfb.ssd.ray.com (Custer)
- Subject: [M][B] Help & questions after 1st week cycling 1st tank
- Message-ID: <1992Nov16.012301.29973@rayssd.ssd.ray.com>
- Sender: news@rayssd.ssd.ray.com (Administrator)
- Organization: Raytheon Company, Portsmouth, RI
- Date: Mon, 16 Nov 1992 01:23:01 GMT
- Lines: 93
-
- I'm about through the first week of cycling my first tank and have some new
- questions.
-
- The setup:
-
- 75 gallon Perfecto brand aquarium
- 40 watt 48" lamp
- 75 lbs dolomite
- decorative coral ~ 8 lbs.
- BioLogic Wet/Dry filter with AquaClear 802 powerhead
- ended up using about 35.5 cups of Instant Ocean.
- 250 watt heater
-
- 6 fish for cycling, Damsels of various species all 1.5 to 2 inches
-
- planned to be a fish only tank. I may add invertebrates after the
- tank has been established for 5 or 6 months.
-
- 1) Do I have adequate lighting:
- Moe says: "...Good lighting is important, a couple of 40 watt, full
- spectrum florescent bulbs are fine as they help the fish do
- well and grow some good macro algae. The kind of lighting
- I am talking about here is not the little fixture that
- comes with some commercial freshwater tanks and has one or
- two 20 watt red/orange florescent tubes. These may be fine
- for freshwater tanks, but they are inadequate for marine
- fish...."
-
- The lamp that came with the aquarium is also made by Perfecto and is labeled
- Perfect-A-Lamp, 40 watts 48" number F40T12. It does have a pinkish tinge to
- it. Is this lamp adequate ? Should I have two ?
-
- 2) Do I have good test kits ?
- From the nearby aquariums I had the following to choose from:
- - Aquarium pharmaceuticals Dry-Tab test kits, which I was told were for
- both fresh and salt use and seemed to me to be less accurate.
- - Tetra marine test kits. Liquid reagents, a few color bars printed on the
- outside of the box. These seemed pretty cheesy and inaccurate.
- - Aquarium Systems SeaTest kits. Dry reagents with quantity for each test
- individually sealed in foil packet. Continuous color scale imprinted on
- plastic slide. These seemed to be the highest quality (and most
- expensive) and most accurate kits available around here.
-
- I went with the SeaTest kits. It has been a little difficult to read the
- scales as the colors don't match exactly. I guess the idea is to find
- the shade that sort of looks like the closest match.
- The ranges are: NH4+-N 0 to 1.0 ppm
- NO2--N 0 to 1.0 and 1.0 to 10.0 ppm
- I'm trying to plot the ammonia and nitrite curves as the tank cycles. I
- guess I'll have to dilute the input samples and multiply the readings as
- the concentrations exceed the test ranges. Anyway, are these good kits ?
- Are there better ones ? In the same price range ? Do I need better ones ?
-
- 3) Disease already ?
- The fish were introduced three days after the tank was running. The fish
- have now been in the tank for five days. Two of the striped damsels show
- definite signs of disease. Amylodinium or Cryptocaryon, I haven't learned
- how to tell the difference yet. The only plan I have is to freshwater dip
- them and see what happens. Am I going to create a disaster by treating
- them and reintroducing them to the tank at this stage ? Should I just
- remove them permanently ?
-
- 4) Do I have enough bio load to cycle this size tank correctly ?
-
- The aquarium dealer (who has been exceptionally helpful) recommended six
- Damsels for this purpose, here's the scoop so far ...
-
- DAY SG pH NH4+-N NO2--N TEMP
- 3 1.022 8.2 79.5
- 4 (added fish, began testing on day 7)
- 7 1.022 0.2 ppm
- 9 1.022 0.3 ppm 0.0ppm 78.5
-
- Moe's graphs show ammonia up to 10.0 ppm by this time. Do I need a larger
- population to get the tank cycled in a reasonable time ?
-
- 5) How long can the filter stand a power failure ?
-
- The biological section of the filter fills with water when the power fails.
- Once it is established, how long can it remain submerged without damage ?
- I may need to turn it off during the cycling process. How long can I
- safely leave it off even before the bacteria are fully established ?
-
- That's all for now. Thanks for any and all help. I still have quite a few
- questions. If you're interested keep an eye on the net in the coming days
- and weeks.
-
- Thanks again,
-
- Todd Custer
- Raytheon Company
- Portsmouth, RI
- rtc@sgfb.ssd.ray.com
-