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Is chlorinating liquid good for algae and mold removal on house siding?
Posted on 3/11/26 at 11:16 am
Posted on 3/11/26 at 11:16 am
The siding on the north end of my house has a good bit of brown algae nad mildew on it.
Would using some pool essentials chlorinating liquid in a pump sprayer followed by pressure washing it remove it?
Should it be diluted with water before applying it?
Would using some pool essentials chlorinating liquid in a pump sprayer followed by pressure washing it remove it?
Should it be diluted with water before applying it?
Posted on 3/11/26 at 11:54 am to NatalbanyTigerFan
Mold Armor, works great!


Posted on 3/11/26 at 12:02 pm to NatalbanyTigerFan
I use pool chorine in place of household bleach for washing down houses. iirc, pool chlorine is 10% sodium hypochlorite and household is 3-5%
I dilute it as much as 2 cups to gallon of water and go up to quart per gallon of water. I try to use as little as will do the job since it sucks for the wind to turn and you get a face full and its not great for the enviro in addition to being corrosive to anything it might be sensitive to.
Usually will add Jomax as it seems to help quite a bit.
I dilute it as much as 2 cups to gallon of water and go up to quart per gallon of water. I try to use as little as will do the job since it sucks for the wind to turn and you get a face full and its not great for the enviro in addition to being corrosive to anything it might be sensitive to.
Usually will add Jomax as it seems to help quite a bit.
Posted on 3/11/26 at 1:08 pm to Turnblad85
I dilute it as much as 2 cups to gallon of water and go up to quart per gallon of water.
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I've done the same. But sometimes wonder if I'm not cutting the mix to that of household bleach.
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I've done the same. But sometimes wonder if I'm not cutting the mix to that of household bleach.
Posted on 3/11/26 at 1:22 pm to NatalbanyTigerFan
that’s pretty much what Jomax is for…mix it with a little bleach (a little goes a very long way), spray it on and hose it off
Make sure you protect any plants that might catch overspray it will damage them. And if you have planting beds below the spray area water them well before you start
Make sure you protect any plants that might catch overspray it will damage them. And if you have planting beds below the spray area water them well before you start
Posted on 3/11/26 at 3:14 pm to cgrand
Jomax has a number of active ingredients that bleach lacks including a fungicide/algaecide, a detergent, and an additional surfactant that makes it more effective. Use according to the label.
Discolored siding may stay wet and beginning to rot. Check for spongy soffit and siding. Replace as needed. In addition to being on the shady side of the house, you may have a roof-edge moisture problem or an overhanging tree.
Discolored siding may stay wet and beginning to rot. Check for spongy soffit and siding. Replace as needed. In addition to being on the shady side of the house, you may have a roof-edge moisture problem or an overhanging tree.
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