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  The grade of chemical you need, at a budget friendly price!
  Calcium hydroxide is commonly considered a "one part" additive. Among  other things, it helps maintain calcium and alkalinity levels.
It  also raises pH levels and boosts skimmer performance as a result  which helps to precipitate phosphate aiding in the combat against algae!  
Mixing & Dosing Instructions:
  Dissolve a maximum of 2tsp per gallon to filtered water, let settle,  and keep (siphon) only the middle layer between the surface and the  bottom of the container. It is this fluid that should be added as  replacement for evaporation. Because this fluid has a pH of 12, always  add slowly (drip), to an area of high flow. It is best to add the  solution at night, if not 24/7 using a Shlobster dosing pump.
  Aquarium  Chemistry Calculator 
 
         
