Previously used all sorts to kill moss & algae on back garden paving slabs a couple of times a year. Now wife has got a small terrier puppy so need to be careful what I uae. Any recommendations for killing the moss/algae that is safe for dogs. We can probably keep dog off the area for say 4 hours if necessary.
You can get BAC50 which you "paint" or "roller" on. Let this soak and dry into the paving. Then that should be safe for the dog....
see
The websites says : affordable ? currently less than £30
errr, no it isn't. On Amazon it is £42.50 for 5L, and on ebay, well, you take your pick as it's anything upto £100 for 5L
You can of course by smaller amounts, for less money, but not as economical.
Thanks for recommendations, might buy just 1L see how it goes and buy 5L if I can find a decent price later in year.
Ebay average around £40 for 5L but one or two sellers closer to £30
Before the first lockdown I purchased 5L for £24 including postage and this was around the average price on Ebay. During the first lockdown the price rose by around x3 and fell back again to around £30 for 5L after the lockdown. During the second lockdown the price rose again.
Actually up to £1000 for 5L which usually means they have zero stock but want to keep the listing active for future use.
Use a pressure washer? Even if they don't get your dog, I dread to think what chemicals will do once they wash off the stones.
Covered a short while back on a thread about polycarbonate roof.
The BAC chemical had a warning not to let it into any drains or water courses.
Which may be difficult.
Cheers
Dave R
Swap him for a bitch. That will kill all the grass and moss.
Nope, only in small patches.
fairy liquid 60cc > 1 liter water kill moss but not quite as good as Iron Sulphate which is not expensive
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And how do you train her to pee in the same place every time, dorc ?
You only get small patches if you don?t train it at all, f****it.
Your carpets must really pong.
You never could bullshit your way out of a wet paper bag.
And I don?t have any carpets at all.
I use iron sulphate on the lawn but it would stain the paving slabs.
Yes - you'll certainly end up with ginger-coloured slabs.
Given half a chance, my lawns end up with 90% moss and 10% grass. I used to be able to get ferrous sulphate in 25kg bags. In the 1980s a works colleague (who was in a gardening society that got discount for bulk purchases) got me one from time to time, for around 6 pounds each. The last one I got (around 2000) was from a local hardware shop, for around
10 pounds. The next time I wanted a bag I was told the EU had listed it as hazardous (25kg might give you a hernia??), and you could only get it in tiny 1kg boxes - which cost around 7 pounds.
You can get 2 kilo on ebay for around £7, fine for me as that lasts a couple of years for my lawn.
Eh? In Germany: 25 kg bag of ferrous sulphate 15,95 EUR plus 6,90 postage, orderable online, delivery in 3-4 days, as of today.
Seems the EU got blamed for a lot that just ain't so.
Thomas Prufer
You can still buy certain chemicals in reasonable bulk quantities BUT you will find that there is no mention of some of their previous specific uses because they have been banned from such use.
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