You already got those too?
The HOG is basically the same as AN. In fact the guy that started HOG was a head guy at AN then started his own company.
I start my tubs at around 300ppm for clones. With AN 1ml/L of all 3 gives that much. So 2ml/L gives 600ppm. I don't always use all three at the same ratio tho. Once vegging well I switch to a 3:2:1 ratio, GMB. A week before flipping to veg I feed at 1:1:1 again with half a dose of Big Bud to prime the pump for flower set then when I flip to 12/12 give them the other half dose of BB. My ppm will be the highest just then as the stretch is a huge growth spurt and the plants will feed up to 4X as much for that 3 weeks then slow down feeding. After the stretch I'll switch to feeding 0:1:2 commonly known as Lucas Formula feeding. This lowers the amount of N in later flowering as too much N inhibits flowering. Too much P isn't good either and the plants want more K the final few weeks tho need all of them. Both N an P are needed in good amounts during the stretch tho.
Feed charts are just suggestions but too many people follow them to the letter and end up burning the crap out of their plants. Less is better and I'd rather see leaves yellowing and add a bit more than leaves going all burnt and crispy mid-flower with no way to fix that. Still going to get lots of pot but it's going to be loaded with excess mineral salts and not taste as good.
I rarely change my nutes and mostly go from clone to crop without changing once tho I will remove up to half and replace with RO water and nutes at the new ratio to give the plants more of what they need for the stage they are in. Changing weekly especially when the plants are small is just a waste of perfectly good nutes but of course that's what the nute makers tell you to do. Then you run out faster and have to buy more. Great scam.
A lot of guys go thru all sorts of formulas to get just the right amount of each nutrient down to the tiniest fraction. Screw that shit. I have a diploma in chemistry and don't want to be worrying about all that crap. This is supposed to be fun and not freakin' science class! The guys who make the nutes already did that shit and that's what we're paying for. Next is how much pre-made nutes cost but nutes are maybe 5% of my total costs so who gives a fug. I want ease of use and reliability. All these nutes will do the same job but AN gets my money as they work great and I don't ever have to think about the pH whether in DWC or soilless. That's worth 20% if need be to me.
I won a REMO nute package in a draw at a hydro store in the city 2 hours away and once I pick that up I'll give them a go. Have a bunch of small bottles of all their goodies in one kit. Would I have paid the $100 retail price for it? No f'n way. If I get monster yields dripping with resin then maybe.