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I've heard mixed reviews of using Quikrete Concrete Mix as opposed to portland cement. I had some concrete mix in my basement and made some plugs from it, but have not had the fortitude to try them. Will the concrete mix do any harm by leaching stuff out? mgk

My understanding is that www.purearagonite.com sand is Southdown sand that has been "washed" in some way. I'm sure this washing process removes some of the very fine particles. After reading about this for a couple of years now, I find that there is not any vendor that offers the sand particle...

I had the chance to see Timbo's mixer a few weeks ago. He used the UHMW plastic over the acrylic bottom plate. I don't see any reason why you could not put a bit of silicon or super glue on the plate to hold it down. mgk

Dan: The kid is Tim and he is from www.ecotechmarine.com I had the chance to meet him again in a couple of weeks ago. Nice guy. mgk

Another place is www.ecotechmarine.com mgk

What is the USP part # that you use? I've been trying to figure this out too... mgk

Hi SteveP: The 29g is skimmerless, too. It is my softies tank. And the caulerpa had grown out of control. My SPS tank is a 90g and also skimmerless. I agree that photosynthesis is cellular respiration. However, the "resting cycle" is more used for growth than photosynthesis. In our...

Yes, that was exactly what I thought. mgk

As I stated above, Dr. Reef, caulerpa is NOT a higher order plant, it does not have a vascular system such as terrestrial plants do. It should really be thought of as a large celled algae. I did have a tank crash in my 29g that had a 12 hr lighting period. It suffocated all my fish. :(

I am, and continue to be, in the 24/7 camp. My refuge hasn't gone sexual in over a year. I prune haphazardly. Usually when the refuge is full. :lol: One thing we need to remember is that caulerpa is NOT a plant. It is a multicellular, large celled algae. It derives its nutrition from...

Hi Sanjay: From what I can gather, there will be between 10-30 people there. The local club, PMAS, has been made aware and there is a meeting that evening. mgk

Six days left until the frag swap.... mgk

Only one week left! mgk

Super Cow: Give it a couple of more days and then see what happens...

There will be a Frag Swap in Pittsburgh, PA on April 27, between 1pm and 4pm. It will take place at Blane Perun's Coral Farm. Many people will be there to trade corals and to exchange information. Even if you do not have anything to trade, you can come and browse and make an offer. For more...

All you Pittsburgh guys keep April 27 open! There will be a Frag Swap at Blane Perun's Coral Farm in Pittsburgh. It will take place between 1 and 4 pm. Everyone is invited whether you have anything to trade or not. There may be individuals willing to sell or give you corals and other...

I would install at least one. You can find all kinds of fans (DIY) a www.hosfelt.com or www.allelectronics.com mgk

After reading those articles, the most important piece of information to take away is the average grain size of 0.25mm (millimeters). This is not crushed coral, marble, or anything resembling shells. Lots of people use ESV sand, Southdown Sand, or www.purearagonite.com sand, which are all...

smokin reefer: Where was your calcium and alk before adding vinegar spiked limewater? It could be that your alk and ca were so high that you were causing precipitation upon introducing more ca and alk. Jethro: Yes, vinegar would lower the pH. mgk

Those pumps may have a good performance curve and may (I don't know) be less expensive, BUT you will pay out the nose for electricity usage. You may want to look at Sequence pumps at www.atlantisaquatic.com or www.mdminc.com. These are very energy efficient and have great performance curves...