here some additional info to get good results: seal the edges before pouring, remove all loose parts and make the wookd very clean, clamp the middle of the wood too, use a moisture meter not based on needles, fill all holes with clear epoxy, tell your watchers the maximum height of one flow can be read in the datasheet of the epoxy. use ventilators to blow away the head if nessesary on huge layers, if using deep black colored expoxy you can fill the big expoxy area with cheap wood (but lower then the end level) to save some epoxy because eproxy is very expensive and pour one first layer to hide the cheap wood to be seen from below, before waxing the form use some separator-spray to create an addtional separation layer, if making semi-transpartent epoxy make very sure that the colored-paste is ALWAYS exacly the same ratio - it is always better to make only one flow if possible depending on the max. height of the epoxy material, after mixing epoxy - put in another (round) bucket to avoid having unmixed stuff in the edges, always mix very very very well, make sure that your envionment is not dusty - very importent if making clear/semi-transparent tables. Try to avoid to dill/screw into the epoxy areas as cracks are pretty likely and creaw could be seen on semi-transparent epoxy. Last but best advice for all: before you are going to do anything - watch all "black-tail studio" videos!
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here some additional info to get good results: seal the edges before pouring, remove all loose parts and make the wookd very clean, clamp the middle of the wood too, use a moisture meter not based on needles, fill all holes with clear epoxy, tell your watchers the maximum height of one flow can be read in the datasheet of the epoxy. use ventilators to blow away the head if nessesary on huge layers, if using deep black colored expoxy you can fill the big expoxy area with cheap wood (but lower then the end level) to save some epoxy because eproxy is very expensive and pour one first layer to hide the cheap wood to be seen from below, before waxing the form use some separator-spray to create an addtional separation layer, if making semi-transpartent epoxy make very sure that the colored-paste is ALWAYS exacly the same ratio - it is always better to make only one flow if possible depending on the max. height of the epoxy material, after mixing epoxy - put in another (round) bucket to avoid having unmixed stuff in the edges, always mix very very very well, make sure that your envionment is not dusty - very importent if making clear/semi-transparent tables. Try to avoid to dill/screw into the epoxy areas as cracks are pretty likely and creaw could be seen on semi-transparent epoxy. Last but best advice for all: before you are going to do anything - watch all "black-tail studio" videos!
About those bubbles, just seal the live edge sides with epoxy before you do the big pour.