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topic 60637

Algae despite Pool Ioniser


November 26, 2017

Q. i have been using ioniser in 40,000 litre fiber glass pool for the last 4 yrs water usuallywater is clear BUT HAVE FEW COMPLAINTS.
1/WATER HAS GREEN TINT TO IT
2/ALGAE APPEARS ON THE WALL LIGHTLY EVERY WEEK ( BRUSH WEEKLY)
3/stain at water line only
MY WATER READING ALWAYS:
PH 7.2 7.4
ALKA 120 MORE LESS ABIT
CAL 80 120 ( I KNOW ITS LOW BUT MY POOL IS FIBER GLASS)
COP 0.4 ,0.5
PHOSPHATE IS LOW
EACH WEEK I PUT 10O grams granular chlorine 65% to help sanitise .
SO,what have i done wrong here? how to get blue water,and no algae .
circulation is 8 hrs on 1500 rpm pump.

huy tran
- australia



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