You're best bet is to post a picture of it and see if anybody recognizes it.
Dave J. TFP Moderator
24' x 52" Round AGP. 1.5hp Dynamo pump. 24" Pentair Sand Dollar Filter. 45MHP2(3GPD) Stenner Peristaltic Pump Pool School ----- Pool Math ----- TF-Test Kit
You can stop SLAMing your pool when you pass the OCLT (You lose 1ppm or less FC overnight, & You have .5ppm CC's or less) & your water is clear.