When you lay these out, do you have to fill it with water first or if it rains, these bags will absorb the water and fill up?
1424783
They absorb water like a diaper on their own, but I'm not sure how quickly they fill up. Ours did absorb water and become very heavy, but we didn't use them like a dam, we only wanted to absorb a trickle of water. They are good though, they don't mold like the blue one we bought did.
1424784
No extra care needed....they do not 'fill up' they expand and absorb some of the water...that makes a barrier to keep water out. These are not something that will keep out 'feet' of flood water...unless stacked deeper that expected water.
1424785
You don't have to fill them, the rain fills them tight, it's kind of cool how that works. Then that rain inside there forms the barrier for more water coming and keeps it out.
1412303
Yes they do but I do not reccomend these bags they are not filled like the picures shows you will have to fill it yourself
1748302
Not a good idea. It does tend to get water in them when a stream of water is around. When it rains not really. Only when a constant stream of water is around you tend to get water in them
1192301
They seem to hold moisture as well as any container. With all container gardening, you have to water a lot more than you would for an in-ground garden. I haven't had any problems with the bags seeming drier than other containers I'm using, and my tomatoes are doing just as well in the bags as the pots.
1194108
Let's put it this way, it's like having a plastic bag around some books. The books don't get wet in the rain, but the plastic bag does. Rain does not sink through, but it's still wet. So let the backpack dry overnight and you are good to go;)
525665
Yes. You should do that anyway. Unless I'm doing load after load, I hang the bags up to dry after a load of washing.
488955
I can't answer how long they will last in the bag, but I purchased mine last year and just put them out again this past week. They worked great on our first rain storm.
191309
The mesh bag is very fine. It will stop all but very very fine particles. If you're cycling the water back into your pond the water will come out a little cloudy, but not sure how you'd ever stop that. If the pond is real dirty, you may just want to discharge to the ground and put in fresh water to replace.
879264
The material of the bag is water resistant. I take mine out in the rain all the time. Never had a problem with my items getting wet. It's not waterproof. So if it ends up submerged in water your stuff will likely end up wet. But it can definitely withstand some heavy splashing. Just remember to keep the zipper closed!
700756
I use these in almost all of my operations. Simply start by putting somekind of bottom layer of perlite or other type of drainage material, then continue with growing fill. Check weight often to determine correct watering routine. They do tend to dry faster than plastic containers buy I like using them.
379954
Fabric will allow the rain to drain; of course the fabric will be slightly damp and dries over time , but the water will not accumulate
302735
I have had two of these for a couple of years now. Never had an issue with the bags, and they get stuffed, filled to overflowing.
133871
You need just one or two glasses of water poured on top to make the bags wet. I placed the bags next to the basement walls where water was seeping in and these bags did a great job of absorbing the water.
1644982
They are designed expand when put in contact with water. My bedroom door to the patio leaks, so that means the water still has to come in before it activates. This also means I have 3 black bags laying on my bedroom floor. Better practice is to build a V shapped dam on the outside door so you will deflect the water, keep the door still clean and use the door. Also note if you open the bag and you live in a humid put out all 3 bags. You can't save it for later. I love these sandless sandbags!
1256680
Don't see why not... The bags need to be wet (soaked) to work... If that's not an issue than you're good to go...
879263
I would say that it would not hurt to put your contents in a plastic bag for extra added protection because I have not personally had my bag soaking wet like it will be when taken on a water ride. I have got the bag wet on a couple of occasions from pouring rain and it stayed dry.
1311426
I really can't say since I did not have that same situation. I do know once full of liquid, they are heavy as all get out. I've yet to get them to dry out and that's been over a month ago. Laying them in the sun did not evaporate the water.