bioguard

I am looking to replace a UVc light bulb for my pool UV sanitation unit. It is a LC10 model number UV sanitizer by Bioguard BioLab (was told Delta UV made it for them). This unit is 14 years old (I just purchased the home last fall). The bulb I took out says 70-18420 BL (which I thought meant...

Hi everyone, I have a brand new SWG pool, 13,500 gallons. First week, pool company tossed 3 bags of salt in. 1st Water Test: At home, SWG measured salinity at 3100ppm BioGuard test - recommended adding 101 lbs of salt (salinity 2500), 2.75 lbs of pH Adjustment, 5.5lbs of Stabilizer 100, 10.75...