- E-Marco-400 Aquascaping Mortar Complete Kit - Grey - MarcoRocks
100% Non-Toxic - Triton ICP Tested
Have you ever wondered how they make those remarkable aquascape structures? MarcoRocks E-Marco-400 Aquascaping Kit is how!
The kit includes everything you will need to create your own morter that is specially modified to keep the joints from becoming brittle in saltwater. The cement, once mixed will turn into a paste-like consistency that you can then use to bond live rock together to create a permanent, long-lasting bond. Using a cement morter can have its advantages over other adhesives, most notably the way coralline algae spreads onto the rocks. Many types of glues, epoxies, and other polymer based adhesives will actually repel coralline algae coverage, where MarcoRocks E-Marco-400 allows the algae to grow naturally making the seams disappear much faster than other methods.
- Ideal for larger reef aquascapes
- More economical than other adhesives
- Sets in 20 minutes
- Cures underwater
- 2-hour handle time
Two Colors Available:
- Grey - Cures into a light grey color that is ideal for use with live rock that is dry or does not have any coralline algae coverage.
- Pink - Once dried gives a natural coralline algae coloration. The pink E-Marco-400 kits are perfect for artificial rock or established rock that has pre-existing coralline algae.
5lbs Grey E-Marco-400 Complete Mortar Kit
1x Mixing Spatula
1x Liquid Polymer Additive.
Good luck By Mac on 3/4/2019Mac wouldn't recommend this product to a friendI put the 12 oz. of water in the bag which filled it up. Sealed and then shake? Not happening. The bag is full so it doesn't shake. I kneed it as ba at I could. Took some out and added polymer till smooth( be careful to not mix too thin) and appli d to my rock. Now back to bag to mix more and it's set up some and is quite warm. Lots of chunks! Tried to I'd with polymer and it as very lumpy but for it used. Went back to bag and it's just big chunks! Tri d to use it but it wouldn't mix or break up anymore. Wasted 42 bucks for sure!
Will try regular hydronic cement next.
Works Great By Khalid on 1/19/2019Khalid would recommend this product to a friendThis stuff works great and when it dries it holds strong. If you have a lot of rock work I recommend you get more than one because one didn't go that far for me. Here is a vid of me using it: https://youtu.be/571J9nYr5Fw
Update on first review By Dom on 1/9/2019Dom would recommend this product to a friendI apparently got a defective kit, as things were missing. However, BRS is so awesome in customer service I just called told my order number and they are sending me a new one right away, no hassle at all. Thanks to BRS for being awesome and making my order right totally free and charge and so quickly. Now I can finish my scape later this week!
Not enough liquid polymer and no plastic spatula.. By Dominic on 1/9/2019Dominic wouldn't recommend this product to a friendI got my kit a while ago and just now used it. First of all I did not receive the plastic spatula but worst of all my kit only came with a small bag of liquid polymer. Enough to use only half the powder... I mixed sparingly and followed directions so I'm pretty sure I received a defective package.
AMAZING! By Harley on 12/1/2018Harley would recommend this product to a friendI used this for the first time on my recent build, after struggling with Instant ocean putty (which worked adequately) .
I can say this I personally will never use any other product! I will continue to use until they stop making it.
Good, strong cement, but some caveats By JL on 9/19/2018JL would recommend this product to a friendThis cement is incredibly strong once dried and cured, it stably anchors some large shelf pieces within my rockscape and helps to create strong structures. But, you definitely have to know how to work quickly with the cement so that it doesn't dry out, or begins to crumble when it's applied.
I'd recommend making enough cement for the next 10 minutes of use, and mixing it wet enough that it holds together, but not so wet that it begins to reshape after it's been applied.
Is much better than normal cement By David S on 9/14/2018David S would recommend this product to a friendSummary, this provides a bond so strong, that the rock breaks before the joint. So I did a 3 way test. (1) using this MARCO product, (2) using normal cement, sand, and H2O, and (3) replacing #2 H2O with a bonding polymer I had left over from a project. First dropped the rocks, and if it survived that, took a hammer to it. #1 and #3 performed best, but on second test, with hammer, the #3 broke and separated the joint. Again, with a hammer to it, so it passed the strength test. I think both are great options, but MARCO is for sure good for the reef. One note to watch for. you have to wait a day for it to fully cure, after a few hours it does dry, but it you're rough - it will separate and you'll be starting over. You'll only be so careful so long after lugging and placing rocks. This is 1000% better than Epoxy, where you mesh the puddy. That breaks down after about 3 yrs in salt water. Cement product holds up a lot better over time.
Best thing EVER!! By Dustin on 7/5/2018Dustin would recommend this product to a friendJust used this on my new aquascape and I cannot say enough good things. In the end I ordered an additional bucket just to keep on hand because of how good it is. Much easier to use than epoxy.
Great to see BRS carrying this! By Bob on 7/5/2018Bob would recommend this product to a friendI used E-Marco 400 when I aquascaded my 180 17 months ago. Easy to use, sets up rock hard, had no effect on Ph. Great for joining rocks together. It can get a little pricey but I would use it again!
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The site says cures in water. Can it be applied to rock while wet in a filled tank?
This rock does have to be applied to dry rock and allowed 20 minutes to set before curing. Have a great day!