Coral healthy and fish dead and cannot find anything wrong with the water, often cause by low O2 at night in tank with no skimmer and no overflow.
Consider hypoxemia at night.
Consider hypoxemia at night.
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First off, maybe keeping fish in a pico 5 gallon tank is just too small?
Here’s a quick run down. Fluval sea 5 . Up since October 5th 2019 but all live rock came from another 2 year established (no issues) tank of mine. I have some easy corals that are healthy, happy and grow. Duncan, Acan, large frogspawn, some Kenya tree weeds... parameters seem normal but I’ll admit I use junk tests so don’t flame me ... haha. Salinity normal on refrac 1.025
My eyeball test is crude but good. Algae is always under control, rarely have any uglies, great flow, good water changes, good RODI water top off, I buy my salt water at a very reputable Denver, CO LFS. I don’t over feed
First I lost a pair of snowflake clowns about a month in. Then I went fishless for 2 months and then added another single clown; dead. Fast forward I lost a single frostbite clown; dead. Then added a royal gramma .. was good and eating and playing for 2 months, I decided to add a single cardinal at this point to have a total of 2 fish. Cardinal lasted 8 days and found his remains in my CUC and now 3 days ago after a water change my gramma died and CUC had a feast again. Thoughts ? I usually do 2 gallon water change every 10-14 days .Too much or little? I don’t think I have a big Bio load. One thing I have noticed is a temp swing I can’t seem to control in this pico .. like 72.8 - 75.5 is this an issue? I never check ALK could I have an issue there with healthy corals and dying fish ?
Final thought maybe this just needs to be a single damsel tank or simply an invert and softies / lps display ... Any tips ? Or something I should check on . I have the stock return and also a power head. Ask any questions and I’ll answer honestly. No I don’t quarantine btw since this is essentially a QT with display. Thanks guys
Is that AQ600 (Or 500) I cant quite tell. Looks to be out of stock everywhere if so..Try changing out your return pump to a stronger pump if you are using the stock pump the EVO V came with. This is the pump that is changed in my fluval Evo V Marine.