Recent content by doctorman

how do you guys major the grams of HTH pool shock? I wanted to make the 24gram/gallon soloution but perhaps just 1 quart or half a gallon, 1 gallon would take a while to use

ceramic airstones they come in 4cm diameter for cheap or 8 and 10cm for more money you need 1-2W of air pump power per gallon of water so for 5gallon you need an air pump with 5-10W power I have not seen anything around 10W that is not commercial