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Derry

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Posts posted by Derry

  1. I'm setting up a new tank after Christmas, and I need a return pump. If you're looking to get rid of a Mag 12 or Mag 18 (or anything other reliable brand with a similar GPH), please let me know. Either internal or external will work.

  2. One of the ballasts on my Odyssea light rig went out, and I don't have the time or experience to fix it. If anyone with electrical know-how wants a free 250W ballast, come and get it. First come, first served.

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  3. I'm in the early planning stages of a new tank, and I'm interested in doing a Calfo instead of a full-height overflow. I'd love to hear from those of you who are using them. Please give me the pros and cons in your experience, and photos would be a bonus! Of particular interest would be anyone who has cut down the back panel of a tank in order to install an external Calfo overflow off the back of the tank.

  4. Ok, I can't sleep tonight, so I may as well throw this out there... I'm in the process of planning a 75-gal predator tank, and I would really like to have a moray eel included in the stock list. My three front-runners, in order of preference: a jeweled moray (Muraena lentiginosa), a golden-tailed moray (Gymnothorax miliaris) or the omnipresent snowflake eel (Echidna nebulosa). My question is, what are some good tankmates to go with an eel? I'd like to have a lionfish and a trigger of some sort. If I get the sizes balanced out so that the eel shouldn't(?) eat the fish and vice versa, will this list work? What are some other options that people have tried? I'm aware of the inherent risk of combining fish with an eel, especially the jeweled and golden-tail, but I'd like to hear the experiences of those who've tried this before.

    PS - Anybody else been to RCA recently and realized that the green moray in the display tank by the front door ate the 9" Desjardin tang the other day?!?!? :(

  5. I'm looking for advice on two different problems I'm having getting my calcium reactor dialed in. The reactor is a Knop C being fed by an Aqualifter pump. The CO2 value is a brand-new single-stage Milwaukee with a solenoid and needle valve, connected to a 5# tank. The first problem is that I can't get a constant bubble rate from the CO2 valve. I've got 800 psi coming in and 20 psi going out. I'll set the bubble rate at about 20/min, but when I come back a couple of hours later, it's dropped off to 10/min or less. I can't find any kinks in the tubing, so I'm at a loss as to why the bubble rate won't stay constant.

    The second problem is with the effluent drip rate from the reactor. There's no built-in effluent value on the Knop C, so I've tried a couple of different approaches. I first ran the effluent line through a simple ball valve, but fine adjustments were tricky, and the flow rate would drop off over time. I next tried a simple air line valve to the end of the line to control the drip rate. Same problem - the drip rate falls off over time.

    Anybody have any suggestions for me (other than going back to dosing two-part)?

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