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txwillie - what's the definition of "shock it really heavily"? Our tub is close to 500 gals and I usually use 4 TBS of MPS to shock. I've tried adding an extra TBS for the foam but it didn't help. Should I double the amount I would normally use?? 50% more? I was afraid to put too much in. in advance... thanks!
Should I double the amount I would normally use?? 50% more? I was afraid to put too much in.That works well for the 560 gallon Maxxus. I see no point in exact measurements.txwillie