Isopropanol is used for a nifty old trick: Mix it with a gelling or thickening agent (xanthan gum is the correct name, xanthum is a frequently used misnomer) will allow you to disperse it evenly in water so that it won't clump but result in a homogeneous gel or thick liquid. It is the same with making fondue where you mix the maize starch with some Kirsch before adding it to the white wine and ultimately the cheese. Try it with some cheap ingredients: strong booze, wheat flour, and water (cold water works a lot better than hot one) !
The ingredients listed above look very funny (funny like a joke for nerds... me, I actually had to giggle) but would partially explain the high costs. On the other hand, some might be derived by hydrolysing wood (which BTW is very cheap), others are likely pretty useless (especially in hydro) or only useful alone (again especially in hydro), and last but not least the composition of the mentioned carbohydrates doesn't make too much sense.
Should they have changed the recipe mentioned by Glow, chances are very low that it's even close to the two listed above. But that's just my opinion...
PS Upsss... too slow with posting
PPS They should at least use some alcohol which is better plant available, such as methanol, ethanol, or even glycerol. Doesn't disturb at low enough amounts and might even be used as second 'carbon' source by microbes and plants alike.
Yeah sad isn't it that a company are that unethical they dump some sugar in a bottle, thicken it with Xanthan gum (and yes they use the misnomer hence the formula using Xanthum gum) and call it Carboload then mislabel it but then again what more can you expect from a company that consists of one ex porn star and a current Pedophile? And sadly the formula isn't a joke (albeit a complete joke) - I have all the original AN manufacturer direct formulas used in Australia - now relabeled as Cyco nutrients (haha now there's a whole nother story involving rip offs and bikie stand overs all leading to me getting the formulas - industry karma I guess..
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