Pico reef idea?

LordJoshaeus

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Hi everyone! Long time no post...I took a break from saltwater for a while, but I am now interested in perhaps trying again. Since expense is an issue (can't spend much more than $10 a month on maintenance costs for this tank), I am interested in setting up a pico reef with a refugium. Here is my idea;
-Tank: A 2.5 gallon tank with a custom 1 gallon refugium (made from a clear food storage container)
-Heater: 25 watts (brand TBD)
-Pump: 50 GPH pump. Pumps water into the refugium, which will have an overflow to pour it back into the tank. I may also make the water be pumped through a bag of purigen.
-Substrate: None in display tank (for ease of maintenance). The refugium will have a thin layer of sand (around 1/2 inch)
-Water: RO water from a local super market (50 cents a gallon), finished in a 5 gallon with an 160 GPH pump forcing the water through a chamber full of DI resin for a day or two. I neither want nor need an RODI unit for a setup this small. The salt will be regular instant ocean.
-Water changes: 1 gallon a week, alternating between the refugium and the main tank. Not sure how much this tank will need for top offs...will start with 1/2 cup RODI water daily and adjust it as needed.
-Light: TBD, probably different between the refugium and the main tank. On for 8 hrs each day.
- Feeding schedule: 1/8th tsp flake food three days a week, 1/4th cube frozen food twice a week. No feeding on the weekend.
- Flora: A couple red macroalgaes for the display tank. Heaps of caulerpa (probably not prolifera) for the refugium to serve as filtration.
- Corals: A small sun coral. Other corals TBD.
- Fauna: Unsure (the sun coral might create too much bioload to allow any additional animals).
- Set up schedule: I will add the sand to the refugium, dry rock to the main tank, and salt water to both, and then add bio spira. I would feed as if the tank was stocked for 2 months, not turning the light on at all in that time, then add macroalgae (and the lights). I would wait another month or two before adding corals, and perhaps even longer before adding any mobile animals (probably just a sexy shrimp or two)

What do you guys think of this? Will this setup work well? And should I make any adjustments to my idea? I don't want to end up with an algae infested mess like my previous saltwater tanks. Thanks! :)
 
Hi everyone! Long time no post...I took a break from saltwater for a while, but I am now interested in perhaps trying again. Since expense is an issue (can't spend much more than $10 a month on maintenance costs for this tank), I am interested in setting up a pico reef with a refugium. Here is my idea;
-Tank: A 2.5 gallon tank with a custom 1 gallon refugium (made from a clear food storage container)
-Heater: 25 watts (brand TBD)
-Pump: 50 GPH pump. Pumps water into the refugium, which will have an overflow to pour it back into the tank. I may also make the water be pumped through a bag of purigen.
-Substrate: None in display tank (for ease of maintenance). The refugium will have a thin layer of sand (around 1/2 inch)
-Water: RO water from a local super market (50 cents a gallon), finished in a 5 gallon with an 160 GPH pump forcing the water through a chamber full of DI resin for a day or two. I neither want nor need an RODI unit for a setup this small. The salt will be regular instant ocean.
-Water changes: 1 gallon a week, alternating between the refugium and the main tank. Not sure how much this tank will need for top offs...will start with 1/2 cup RODI water daily and adjust it as needed.
-Light: TBD, probably different between the refugium and the main tank. On for 8 hrs each day.
- Feeding schedule: 1/8th tsp flake food three days a week, 1/4th cube frozen food twice a week. No feeding on the weekend.
- Flora: A couple red macroalgaes for the display tank. Heaps of caulerpa (probably not prolifera) for the refugium to serve as filtration.
- Corals: A small sun coral. Other corals TBD.
- Fauna: Unsure (the sun coral might create too much bioload to allow any additional animals).
- Set up schedule: I will add the sand to the refugium, dry rock to the main tank, and salt water to both, and then add bio spira. I would feed as if the tank was stocked for 2 months, not turning the light on at all in that time, then add macroalgae (and the lights). I would wait another month or two before adding corals, and perhaps even longer before adding any mobile animals (probably just a sexy shrimp or two)

What do you guys think of this? Will this setup work well? And should I make any adjustments to my idea? I don't want to end up with an algae infested mess like my previous saltwater tanks. Thanks! :)

the biggest issue will be keeping the sun coral fed without polluting the tank. NPS tanks usually have major filtration for this purpose.

I have a 2.5 gallon cube that I set up off and on..... they are cute little tanks
 
the biggest issue will be keeping the sun coral fed without polluting the tank. NPS tanks usually have major filtration for this purpose.

I have a 2.5 gallon cube that I set up off and on..... they are cute little tanks

True...that is part of the reason for the refugium and the caulerpa. If that is insufficient to keep nitrates at or below 5 ppm and phosphates at almost 0, I can skip the sun coral. Alternately, I could reduce feeding to 3-4 times a week.
 
True...that is part of the reason for the refugium and the caulerpa. If that is insufficient to keep nitrates at or below 5 ppm and phosphates at almost 0, I can skip the sun coral. Alternately, I could reduce feeding to 3-4 times a week.

All of my small tanks have been set up without any filtration or skimming so as long as you are careful you should be fine. The good thing with pico tanks is that it’s easy to bust out a 100% water change if necessary.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%
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