The most common sand used in pool filters is #20 silica sand.
GIF is the same as gif, it's just that it has been capitalized.
no the salt will disolve....
Most beach sand does contain quartz.
well 1st how big is the filter?...if it's a hayward around 200 lbs...jacuzzi...250lbs...for the norm. inground pool witha one horse pump...no more the 250lbs...good luck answer. Check the label on...