Originally Posted by
shiby1510
Well first I would like to say thanks for a little bit of encouragement Andretti... I feel quite discouraged... and no one was helping... so here we go
1. I picked up some tropical play sand (made by oldcastle)
2. This time i poured sand into 3 different boxes varying in size and shape.
3. I then formed my molds (the sand was already moist and cold so i didnt add any more water for the moldings.
4. I mixed my cement... quikrete portland I (I cannot find oyster shells around here for some reason... even a site i found that advertised them said that they only carry crushed calcium now... anyways.. so I started off the mix with 5 cups of trop. sand with 2 cups of cement.. cuz last time I tried 5 : 1 and that didn't go well at all...I then added water.. I think it was 2 cups.... I then broke up a couple hand fulls of spaghetti and cut up about a hand full of straws)
5. I then mixed it all up and as I was mixing added in more cement sand and some water... all here and there.
6. Once I felt like I had a pretty good mix I took my hand shovel that I used for mixing and put the mix in the molds.
7. I then sprinkled some carib. arag. sand from a reef.. to give some more texture just on the top.
8. I finally covered with sand.
9. I let it sit with the lids on for 2 days (it was around 80 degrees both days)
After the 2 days i brushed some sand around the top and touched it with my finger and the cement was still not dry.
I then took the lids off for a day and it was a little drier and still not done
I put the lids back on for another day...(cuz im not sure if u should keep lids on or off..when the lids were on the sand was cold and moist)
therefore I kept the molds in for a total of 4 days...
They felt semi hard but as soon as i dug them off the broke... not in crumbles but the broke apart...
I'm not sure what it is... maybe the cement is just crappy.. cuz its quikrete?? I just bought it so its not like ive had it sitting around the garage for years.
Or maybe when I was mixing all the stuff.. I took too long???
I am soo sad right now... cuz i don't know what to do... Ive read all the threads on this and read all garf stuff (where I got the ratios for just using argonite sand instead of oyster shells)
thanks for the support
Shibby: I think it's that style concrete, i've heard bad things about quickrete. Try a different brand, and try portland type IV. That's what I used, and I had minimal breakage. A few little pieces off edges, and that's about it.