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I am in the Philippines and can´t get the CYA reagent Taylor R0013 here that is readily availabe in the U.S. in big 16 or 32 oz bottles to use with my existing Blue Devil test kit. So after searching "only" half day I found out that there is a Lovibond AF422 test kit and also a Lovibond 4 in 1...

Rainy season in the Philippines and the rainwater is lowering our Poolwater ph to 6.8 from 7.5 so I had to add 1650 grams of soda ash. If the rainwater stays t least for a while on top of the chlorinated water, an overflow drain tube could drain the excess rainwater. So what floats on top...

After using potash alum as a coagulant I have the impression that our sand filter is not as efficient as before anymore. Any experiences with that? Backwashing has been done of course.

Hello: Are there LED conversion kits available for AmerQuartz and Astralpool 21626 underwater lights? At least on flashlights LED´s seem to outperform halogen bulbs. Has somebody experience, maybe building it´s own conversion?

Hello: We run two pools on Hypochlorite in the Philippines. Water temp. constantly around 30° Celsius. The chlorine disappears nearly quicker than it can be replenished, white dust everywhere even now that we don´t throw the granulate directly in the water anymore but in a sock placed in the...

Pls. delete all my threads