thegrog
Active Member
Originally Posted by hckycoz
This probably won't be my last mistake but you think that was too much cement and too little shells? My other formula of 1:4 broke off way to easily
Probably the other way around. Try a 1:3 ratio. The cement is what binds everything.
I recommend experimenting with small batches and ratios. Find the ratio that produces what you are happy with. Then try a few others and be sure.
Also, be sure to let your rock sit for 2-3 days......hot temps or not!!! It needs time to set else it will be crumbly no matter what you did.
also, I found that an equal amount of water to cement mix is a good guideline. Example is that you use a 4:1 ratio and use 8 cups shells, 2 cups cement. Use 2 cups water. Again play with it in small batches to find what works. Too little water can make it crumbly as well.
This probably won't be my last mistake but you think that was too much cement and too little shells? My other formula of 1:4 broke off way to easily
Probably the other way around. Try a 1:3 ratio. The cement is what binds everything.
I recommend experimenting with small batches and ratios. Find the ratio that produces what you are happy with. Then try a few others and be sure.
Also, be sure to let your rock sit for 2-3 days......hot temps or not!!! It needs time to set else it will be crumbly no matter what you did.
also, I found that an equal amount of water to cement mix is a good guideline. Example is that you use a 4:1 ratio and use 8 cups shells, 2 cups cement. Use 2 cups water. Again play with it in small batches to find what works. Too little water can make it crumbly as well.