noob 375 catsharks

[Zoodiver]

Na, if you are just doing sharks, you don't need high end lights unless you reeeeeally want to.

 

[sean92]

Nope just a couple coral cats or marbled cats, can I used a galvanized tank as a sump? It's the perfect size and 170 gallons for $150 sounds like a steal. I know metal and sharks/rays don't mix very well

 

[beechdaddy]

that is going to be sweet.

 

[Zoodiver]

I'd use a Rubbermaid bin of some type vs a metal container. I've seen saltwater eat through all most every type of metal out there.

 

[sean92]

I wish I could find a 6x2x2 Rubbermaid the only ones I can find are galvanized

 

[Gortons Fisherman]

Check into a stock tank, they should fit what you are looking for. Tractor Supply or Southern States should have what you need.

 

[sean92]

All the Rubbermaids I found are 31" wide Does anyone know if I should use ro or rodi unit? I've heard with "di" you have to have a buffer? Is that true? My plan was to have it constantly dripping 5 gallons or so a day into the sump, Basically keeping up with evaporation. Since most units are 75gpd can I lower the flow to the unit? Or on the out flow of the unit? Thanks again you guys are life savers

 

[gafights]

With a tank that size housing multiple coral cats I would recommend a skimmer. I agree that u can go more natural with filter socks but once those get about 2ft those filter will need to be changed constantly. Sharks are filthy and I would have as much skimming power as possible at least twice the rank size. I currently use two aquac ev-1000 a uv filter and change 132 gallons a week. My nitrates are always between 40-50. I would not use bio balls. Use seachem matrix. It is much better.


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[sean92]

The reason for using filter socks is not to be "natural" it's just money. A decent protein skimmer cost more than my tank. Are you running a sump? Your skimming 1500-2000 gallon and wc 132 gallons a week and still have high nitrates? Something doesn't seem right?

 

[Zoodiver]

All the Rubbermaids I found are 31" wide Does anyone know if I should use ro or rodi unit? I've heard with "di" you have to have a buffer? Is that true? My plan was to have it constantly dripping 5 gallons or so a day into the sump, Basically keeping up with evaporation. Since most units are 75gpd can I lower the flow to the unit? Or on the out flow of the unit? Thanks again you guys are life savers

You don't 'have' to use RO or RO/DI with sharks. DI adds and extra step of stripping contamination out of tap water. You should get a neutral pH of 7.0 if it's working properly. Units can always just be turned down by closing the valve on the supply line. If you want to to an auto top off, I'd do just an RO unit (save money), and attach it to a small float valve in the sump. That way it will turn on only when it's low and never over fill (or risk filling it with freshwater when you aren't there to watch it).