1 Unbalanced Water Low Total Hardness levels can cause foam to appear in your hot tub. Test and balance your spa water regularly. Pay close attention to your Total Hardness level. Always maintain Total Hardness between 175-275 ppm. 2 Soaker Contaminants Contaminants can build up in your spa w...
PS: Raise Total Hardness (Calcium) level to 150-400 ppm. Green Water-Algae PC: Low sanitizer level or high pH. PS: Make any needed adjustments using pH Up or Alkalinity Up or pH/Alkalinity down. Add spa sanitizer of choice as necessary. ...
Total alkalinityshould be between 80 and 120 parts per million (ppm). Calcium hardnessshould be between 150 and 250 ppm. If either of these levels is too high or too low, it can make your hot tub's water cloudy. After you've adjusted the pH levels, it's a good idea to do a part...
Upgrade: The total hardness test strips have 5 LEVELS and 4 PARAMETERS that improve the test efficiency and accuracy makes these strips more trustable, you don't need to visit a hardware store or wait for someone else to check the quality of your water, save your money. ...
Used to raise the calcium hardness in spa and hot tub water. Low calcium can lead to corrosion. Calcium hardness should be maintained between 150-200 ppm. Size 650 g Code: 27200C69SL SPA LIFE Shock CHLORINE FREE OXIDIZER ...
The pool professional is already well acquainted with pH, Total Alkalinity (TA), and Calcium Hardness (CH); along with Total Dissolved Solids (TDS) and Temperature, these are the factors that influence water balance. Water that is in balance is neither aggressive nor oversaturated. Aggressive wat...
CL-2059A is a total new industrial residual chlorine analyzer, with high intelligence, sensitivity. It can measure residual chlorine and temperature simultaneously. It is widely used in such industries as thermal power plant, running water, pharmaceutical, dr...
Recommended Level(s) Fiberglass Pools Fiberglass Spas Water Temperature 68-88°F (20-31°C) 89-104°F (31-40°C) pH 7.3-7.4 7.3-7.4 Total Alkalinity (ppm) 120-150 120-150 Calcium Hardness (ppm) 200-300 150-200 Salt (ppm) 4500 Maximum 4500 Maximum Free Chlorine (ppm)* 2-3 2-3...
Total Alkalinity (TA level) Alkalinity measures the ability of water to neutralize an acid. 50 ppm 3b 80-120 ppm (most-common) 100 - 130 ppm3a Add Bio-Guard or similar product Add Soda Ash Add Sodium Bicarbonate Add "dry acid" product Add Muriatic Acid Water Hardness or Calcium Hardness...
The method has very low computational demand and is suitable for the... T ?Ilo?Lu - 《Signal Processing》 被引量: 49发表: 2002年 Forage resource evaluation system for habitat—deer: an interactive deer habitat model We describe a food-based system for quantitatively evaluating habitat quality ...