#automatic testing

I have an api aquaspin auto tester. I have reagents but they are expired. Comes with testing pad, syringes and 35 expired tests. Price is shipped

**Sold** I am putting up for your consideration my 2 Neptune Tridents. The first one is probably close to 4 years old. Ran great with no problems. Ran out for about 18 to 24 months. I remember it did well past the original use life before cleaning. Instead of just sending this one off, I chose...

Hello fellow reefers, We have an AIO LPS dominant reef tank (45G or 170L, Red Sea Max-E 170, with a back sump) which is doing good. The growth of the corals has been really kicking in since we test daily KH and often Calcium (couple o' times a week), accordingly adapting dosing of these...