Wave-loading and recovery (frequency)?

I'm trying to use wave-loading method on my training. Basically it's do sets in pattern similar of 5reps-4reps-3-2-1 (with increasing weight), then repeat and try to go a little heavier.
Let's say I do 2 waves for my squat, then how many days should I rest before I hit squat again?

Depends on what (if any) assistance exercises you're doing, how many sets, what rep range etc

Could you give us a bit more information about your routine and goals?

For me I have to do assistance work, my power off the floor is abysmal. Actually, it's pretty good these days, it's just my main weak point.
Something I did, although it's abit dangerous is I worked up to a 1rm I knew I couldn't do at the time, and saw where the lift failed.

As I sat back, I just couldn't get out of the bottom, knees started coming in a little and so on, + The fact I had problems with below the knee on Deadlifts, + the fact that I couldn't do a single glute ham raise, I knew I had weak hamstrings.

Now that I've started to work them specificly, glute hams/Deadlfits of a 3inch box their size and strength have improved hugely as have my lifts.

Anyway; Now that you know how important assistance work can be;
What do you mean by stalled? How long for? 2weeks isn't really anything to worry about, although I'd often change the exercise, or the rep range/set range personally, as you may stall for another 2, which means you've just wasted 2 weeks.

You might of stalled just because your body has accomodated too well, some routines are just "well, stick at it" but I cba with that, I KNOW the body can get stronger weekly, I experience it weekly, so what can we do?

I'd recommend changing the rep n set range of your squatting, if your doing 5's, do 5x3/10x3 with a slightly higher weight *maybe 2.5 kilos?* It'll be hard, but it'll probably be a very sufficient shock to the system.
Something else aswell that I'm currently trying is Speed Squats, this is another form of training you could look into.
Our bodies adapt very well to training, Progressive overload is fine, but it's not enough in my experience, sometimes you need to change things completely e.g. the exercise or the way you do the movement, such as a different grip on the bar, a different bar, use dumbells instead, lower the weight and be as fast as possible, etc, etc, etc.

"There is an element of risk in every successful venture." - Tom Platz
Remember that. If you were so scared of being injured, you wouldn't train at all, surely?

Theres nothing wrong with assessing weak points, lets put it this way, it won't make your progress decrease.. all it can do is help.
Couple sets of glute hams after squats is never a bad thing.
Also @ the diet thing thats just some ridiculous figure made up by.. I have no idea. If you have to force feed or just drink loads of milk to get that many calories, I don't see the point.

I eat around 4k a day because..well.. I eat when I'm hungry. Eat when your hungry. Your body knows what it requires, if your only eat 2k and your doing SS, the training probably isn't that intense, it's just common sence for me.
If your training is "so hard" that you need 6k (or whatever it is these Rippetoe scouts say) then your body will naturally demand that much from you, thats how it's worked for me. When I hit 3-4 PB's on main lifts in a week I am SERIOUSLY hungry on the week end/beginning of the next week.

Doubtless someone is going to disagree (as usual, when someone says Rippetoe isn't God) but thats how it's worked for me, and I get stronger every week.

You don't have to say sorry, your agreeing with what I said.

How much ab work do you do? Not crunches that is, I mean roll outs/pull downs/straight leg sit ups/leg raises/pallof press that sort of stuff. I found once I had stronger abs they allowed me to stay more upright.
http://www.wannabebig.com/training/deadlift-5-plates-like-a-champion/

I know it's about Deadlifts, but there are some points in there about why your squats are turning into "squat good mornings."

You're wave loading for size?   Interesting.

72 hours for squats.

I see.  If it's for strength, then the wave should be something like, in a 3 set program for squats:

1st set 3 reps for 100
2nd set 5 reps for 90
3rd set 7 reps for 80

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I was tought that high reps first with low weight and increasing was for mass. So, when I read your first post, that's the conclusion which went into my mind.

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When i snatch.  I'd start with just the bar for warmup or 50 kg.  Then I'd go for a heavy single.  Then reduce the weight for 3 singles, then go for a heavier single a few minutes later (not less than 3).  1,3,1,3,1 - it works for me.  But it's olympic lifting - for snatch.  I'm not sure how to convert it for squats though.

Application: How to do Wave Loading - Barbell Deadlift

this conforms to your version of wave loading.