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Anyone want to split an order of Marco Rocks with me?


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The minimum order is 25 pounds. I only need about half of that. It is $62 + tax and free shipping.

 

So maybe $34 for 12 pounds or so.

 

Please let me know if anyone is interested.

 

thanks

 

eric

u are the man. i guess if i open my eyes and read the page then I would have figured that out.

 

thanks...

 

just ordered it.

 

when you put it in the tank, do you need to rinse it or can it just go right in. I would be putting it in an established tank with about 70 pounds of rock already.

(edited)

I've heard alot of people say that just add the dry to an establish tank, but I myself wouldnt trust it unless its a very large system that could handle a mini cycle. What I would do is put it in some water(say from a water change), let it set for a few days to a week or more, then test to see if any any nutrients were released from the rock.

Edited by FearTheTerps

there is a lot of dead material in those rocks that can release phosphates in the water. If you are not worried about phosphates put it straight in the tank but I recommend nuking the rock first. A nice vinegar bath for a couple of weeks will do the job.

Just rinse them off with a garden hose or in the sink to remove any loose particles and throw them right in. You'll be fine.

I've used them like this before.

I've heard alot of people say that just add the dry to an establish tank, but I myself wouldnt trust it unless its a very large system that could handle a mini cycle. What I would do is put it in some water(say from a water change), let it set for a few days to a week or more, then test to see if any any nutrients were released from the rock.

 

 

I dd this, in a 90 total gallon system, no issues.. I did half and then a 2 weeks later, I did the other half. I had an issue with majonos and this was an easy fix.. I did have a little diatom bloom, but no issues. In a barebottom tank I would worry more, but I have a 2 in sand bed in the DT and then a refuge with more, so I didnt feel there was any real concern..

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