jgy2001

We are thinking of these, what would you choose? 1. https://www.amazon.com/gp/product/B01050H8MM/ref=ox_sc_act_title_3?smid=A226NGGGPAUWSH&psc=1 100sqft (2ft Wide) of NASA TECH Commercial Grade Solid White Non Perforated Platinum No Tear Green Energy Radiant Barrier Reflective Insulation Solar Attic Foil Roof Attic House Wrap SCIF RIFD 2. https://www.amazon.com/gp/product/B000BPAULS/ref=ox_sc_act_title_2?smid=A2Q1LRYTXHYQ2K&psc=1 Reflectix BP48010 Double Pack Insulation, 48 in. x 10 ft 3. https://www.amazon.com/gp/product/B0104ZUNDO/ref=ox_

Getting above ground pool. Built 9' x 14' concrete slab. What kind of thermos vapor insulating floor barrier sheet on top of the concrete slab do you recommend? What kind of adhesive do you recommend? Should we get hardwood flooring adhesive? Urethane flooring adhesive? Thank you.

2500 gph pump is 41 gpm flow rate, right? That is more than the mininum required for this gas tankless heater, right?

I have a 10 x 7 ft 2200 gallon water spa, one pump 2500 gph. I plan to install outdoor gas tankless heater 120,000 BTU @ 6 GPM. Can you tell me how long will it take me to heat up the spa increase in 1 F degree?

We are retired seniors seeking swimming exercise. Is tethered slow swimming a practical daily exercise? Are there folks out there doing this as daily exercise? We are looking at simple 13 to 14 ft swim spa with no propulsion nor current, minimal jets, just tethered swimming. Are there many of you out there looking at the same thing? What have you found? Would you like to share your experiences?