help starting a saltwater tank

Most PVC primers are purple - ugly. Try to find "clear" PVC primer. I know Amazon sells it. And the same for the PVC glue. Avoid the "hot" PVC glues, they are red or blue when dry. Get the "clear" PVC glue. Much nicer appearance when done.
 
Most PVC primers are purple - ugly. Try to find "clear" PVC primer. I know Amazon sells it. And the same for the PVC glue. Avoid the "hot" PVC glues, they are red or blue when dry. Get the "clear" PVC glue. Much nicer appearance when done.
Thanks
 
Need help my cal is 533 don’t know the best way to lower it
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

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