+1 on the salt. First clean.
+1 on the vinegar. Second clean.
+1 on the prime in a full tank coupled with a filter with carbon in it running for about 2 days 3 tops .
Then empty,fill and rinse with warm salt water.
Empty again dry out let it sit for a day fill and drop in a test subject.
Long I know but that's what I had to do way before I knew better...
+1 on the vinegar. Second clean.
+1 on the prime in a full tank coupled with a filter with carbon in it running for about 2 days 3 tops .
Then empty,fill and rinse with warm salt water.
Empty again dry out let it sit for a day fill and drop in a test subject.
Long I know but that's what I had to do way before I knew better...