You don't have to be disabled for any length of time before you apply for Social Security disability insurance (SSDI) or SSI disability benefits. You are eligible for to qualify for SSD or SSI benefits as soon as you stop being able to do a substantial amount of work.
BETTER:TAYLOR DPD TEST KIT. This is the full battery of tests for any pool or spa. The K2005 test kit has 3/4 oz bottles, K2005C is the same kit, with 2 oz bottles. With either one, you can be sure that your pool water will be balanced, with accurate titration testing. Free & Total Chlorine to 5ppm; Bromine to 10ppm, FAS-DPD Titrant test.
Pool/Spa Test Strips. The 2nd type of test kits are called test strips. These strips allow you to simply dip the strip into the pool water then compare the various squares on the strip to the corresponding chart. The strips should include the levels of chlorine, pool pH, pool alkalinity, and water hardness test.