Any gardening/lawn experts here?

Agree on bow and arrow or bin die. The only thing I will add. When mixing yourself be accurate with your measurements. Too strong you will kill your grass, too weak and you won't kill anything.
The way most selective weeders work is a general herbicide that will kill all plant matter. Broadleaf weeds absorb it at a lower concentration than grass so the concentration absolutely matters.
Also they kill weeds but there will still be a seed bank built up in the soil. Those seeds will germinate and grow new weeds. So you will need to do quite a few sprays before you get through the seed bank. Key is timing the next spray. Too soon it will stress the grass. Too late (which would be pretty damn late to be fair) those new weeds will start dropping their own seeds so your net result is nothing.
 
Ive already ordered a bottle of BnA
Does it specify on the label how often to spray/water it in?

You don’t water in B&A. It’s a foliar spray. So it’ll just stick to the leaf and dry. It’s product + water in a sprayer only left to dry on the leaf.

Don’t apply on a windy day, if it’s raining, forecast to rain or the grass is wet and don’t hit plants with it. Wear PPE. B&A can be a bit of a gluggy substance. So you want to agitate the mix really well to avoid the sprayer clogging up. Add most of the water first, then product, shake/stir, then a bit more water.

It’ll all be on the label.

Ideally you’d have a calibrated backpack sprayer as they’re a bit easier to use if you’re doing a lot of it because the flow rate stays consistent. But you can just use a pump sprayer if it’s a small home area.

From memory it’s 50ml of chemical per 100m2 in your sprayer with enough water in your sprayer to broadcast over the entire lawn area.

So 0.5ml per m2. 75m2 for example would be 37.5ml.

Try to work out your m2 area as close as you can.

You want to try to spray everything evenly at a walking pace with your sprayer running out right at the end. Not running out halfway through, or having to go back over the same spots again. Walk away from the spray direction.

You can practice exactly how much water you need for your lawn area by filling it up with just water and spraying the lawn or your driveway to work out how many m2 you can spray at a comfortable walking pace before the water runs out. If you have 100m2 and put in 4L for example and run out of water with 20% of the lawn left. You’ll know you need to add another litre of water. There’s heaps of vids on YouTube about calibrating a sprayer and it’s pretty easy.

If it’s all sprayed correctly, you should only need to spray once and it’ll kill anything that is physically visible. Winter can take longer for the weeds to die off, but you’ll normally see some results within a week or so. They’ll start looking sick and shrivelled.

But like I said if new seeds haven’t germinated yet they may come back and need another hit. The old saying “one year of seeds is 7 years of weeds”.

Most of my clients I might only need to do a weedspray once a year. Once the grass is healthy and dense, the weeds get choked out too because they can’t grow without the sunlight.

Hope this helps. It probably sounds a lot harder than what it actually is, but it’s definitely the best product on the market for broadleaf weeds (clover/plantain/etc).
 
Thanks TT
I already roughly measured our lawns...50sqm approx front and about 20sqm back....got a quiet bitumen lane out back i can practice measuring calibriting the water in the sprayer....would the small hand held one the fella has in the video be sufficient....i have an old pump one holds about 10 or 15 ltrs but the nozzles a bit dodgy....
 
Thanks TT
I already roughly measured our lawns...50sqm approx front and about 20sqm back....got a quiet bitumen lane out back i can practice measuring calibriting the water in the sprayer....would the small hand held one the fella has in the video be sufficient....i have an old pump one holds about 10 or 15 ltrs but the nozzles a bit dodgy....

That’s easy enough. You could even do it in two seperate sprays. The really small one I wouldn’t recommend. Because you’re going to be walking up and down and you don’t want any spray drifting towards your body/face as much as possible.

A local mower shop might have some better handheld sprayers than Bunnings that don’t hit the hip pocket too much. I don’t personally really use pump sprayers, but I’d opt for a 5-10L carry one instead of the small ones. You’d be bent over, copping the mist and probably end up with a crook back trying to keep the spray even. They’re more for spraying plants with other products.

Not sure what battery system you might have for home tools, but some brands have battery sprayers. Ryobi might have one. Can’t speak for most brands, but I run Milwaukee and Flowzone sprayers at work, but they are pricey. The smaller Milwaukee handheld battery is awesome if you already own the batteries and I think that was a few hundred.
 
Back
Top