What is the deal about changing sand? Does it ever need to be changed? If so, how often?
The local pool company offered the opinion that the algae is dead, just not filtered out.
Re: Using a Nature 2 system with the BBB method
What is the deal about changing sand? Does it ever need to be changed? If so, how often?
The local pool company offered the opinion that the algae is dead, just not filtered out.
1994 Sun Pools Fiberglass in ground 20,000 gallon pool - Nature 2 purifying system
Wood stove heater - Stainless steel liner - Hayward 3/4 hp impeller super pump and S-244T 62GPM sand filter
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