twkennedy Posted October 31, 2008 Report Share Posted October 31, 2008 I have approx a 400 gallon Tub. How much shock should i put in. They say 2oz a week but what does that translate into teaspoons or tablespoons. Do i have to get a scale now? Quote Link to comment Share on other sites More sharing options...
limulus Posted October 31, 2008 Report Share Posted October 31, 2008 1.5 tablespoons/250g dichlor seems to do the trick. Our tub is approx 488g and I use 3 tbs dichlor. That gets it up to 10ppm Quote Link to comment Share on other sites More sharing options...
Hillbilly Hot Tub Posted October 31, 2008 Report Share Posted October 31, 2008 Are you using dichlor or MPS? How much of either that you use depends on how many people/tub size and how long you are soaking along with how clean are the people, swimsuits or not. Its not just a certain amont due to size. More info on your spa use will help us give you an amount to use, then you play with it a bit from there since everybody has different body chemistry which effects water differently from tub to tub. Your spa store should have the little ounce cups, they ar like 50 cents, I find them easy to use and do not spill with them. Quote Link to comment Share on other sites More sharing options...
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