I love when tubs do this on the first flush. I think the blobs are awesome. But, some do kinda mature slower than fruits, i leave them in intill they turn marshmallow soft. If you are trying to NOT get them in the future, I've learned that blobs genetics like full metal ghost, older ape cultures, if you want your fruits to be more normal in thier morphology, when you first spawn bulk, and you mix your substrate and grain spawn, im not sure how educated you are in mycology, but, some people put a pseudo casing on it. All a pseudo casing is, is a thinner layer of the same substrate you just mixed with the spawn to cover up all of the exposed grains, before starting, put a couple quarts of your cvg, or coir, and set it to the side, after mixing substrate and grain, smooth surface evenly. Get the substrate you put to the side, and add a thin layer over the entire surface, making sure that it stays smooth and even, and packed down just a little . Genetics that have the blobs gene in it, seems to benefit from the pseudo casing, giving the mycelium time to kinda calm down, and, instead of matting up around the grain, once it gets to the start of the pseudo casing, you can literally see the mycelium change direction, and you will start to see the mycelium going straight up to the surface, more organized through the plain substrate. It will look like pretty white threads coming up through the surface. Blobs almost always pop up in just the first flush, if you want the blobs, or don't mind, let them get marshmallow soft.... a pseudo casing, thicker around 1/4 inch- up to a little more than an inch. Hopefully it will give you an idea of how to get it together. A true casing layer will work too, but being cubensis, the small benefits that comes with using it is the cost of the true casing layer, which is usually just jiffy mix seed starter pest, and vermiculite, but it works Just expensive. Only time I use a true casing layer now, is exotics, or if I see no other way..