If the bubble is up its a good thing... down baaad
Up and down.
Usually up and down.
ice berg?
Side to side; like the horizon is.
All Solar Pool Covers are placed on your swimming pool with the bubble side down, or facing the water. This allows an air pocket to form under the cover to trap heat & provide the maximum insulation value the cover is designed for. -Charlie Goss President DPD Pools / PoolDeals.com
The didstributor says bubble side down ( for instance solarcovers.com). I do mine bubble side up because when I reel it in the bottom part is in contact with the pool edge and the friction may damage the bubbles.
Personally, I disagree with the logic used by those above. If the bubbles are up, there will be larger surface area to absorb the sun's heat. Increased levels of heat absorption seems more important than the rate of heat transfer, especially when considering the fact that heat transfer takes place almost instantaniously.****i have tried it both ways, bubbles up or down. makes little or no difference heating. with bubbles down, though, it is easier to clean debrie off the cover and keep it clean.
If the bubble is up its a good thing... down baaad
Do I put the bubble side down to hold the heat in?
up and down * * * * * No. It is side to side - like the horizon.
Vertical is up and down and horizontal is side to side.
It can be either up and down, or side to side.
Up and down.
Usually up and down.
Side to side, lengthways. Up and down is the height.
they were written all ways up down side side cross