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I have 1 yellow tang, 5 blue-green chromis. I feed once daily in the evening - Frozen spirulina enhanced Brine shrimp. (They feed the shrimp spirulina right before freezing them...) The cubes are roughly 1 cm x 1cm x 1cm. I feed one-half cube daily. The fish seem to consume 90% of the...

I purchased a lawnmower blenny last week, and now am wondering if I may actually have a scooter blenny (dragonet?) instead. If it is a scooter then I will likely return it to the LFS since I am not sure if I have a sufficient supply of pods to keep him alive. Are there any identifying marks...

90 gal tank nearing 8 week mark. nh3/nh4/no2/n03 all zero. 120lbs Pacific Rock, 3" Southdown bed, Added 40lbs Keys rock from LR.com last thursday, experienced a short mini-cycle and levels have all returned to normal. Occupants so far: 10 blue leg hermits, 10 red leg hermits, 10 astrea...

What to add next to my 90gal tank.... NH3/NH4, N02, N03 all undetectible. PH 8.2, SG 1.024, Temp 78d. (Have a cheap alkalinity test, only shows high/normal/low - mine comes in "normal" - will get a better KH test soon). Current occupants: 60lbs Tonga LR (not branched, from MDLive) 60lbs...

Sometimes you find yourself in the right place at the right time. I answered an ad last week regarding an established 55gal setup complete, minus fish for sale. Last night I drove out (about 45mi from home) to pick everything up. Here is what I got: One 55gal "show" (30wx12dx24h) tank 70lbs...

Does someone have a link/formula for calculating gph loss relative to lift? I have a gen-x 4100 (~1000gph) pump in my sump. From the floor of the sump to the return is roughly 5ft. 8O I know I'm losing flow, but I don't know how much... fwiw I plan on adding another diy HOB and a 2nd...

Does someone have a link/formula for calculating gph loss relative to lift? I have a gen-x 4100 (~1000gph) pump in my sump. From the floor of the sump to the return is roughly 5ft. 8O I know I'm losing flow, but I don't know how much... fwiw I plan on adding another diy HOB and a 2nd...

Found 2 bags of old castle sand last week, and could not pass it up. (Locally here in Oregon it hasn't been readily available). I added it Friday to my 90 gal tank without rinsing because I wanted all the big and small grain sizes that were in there. I know the storm will last awhile. My...

Started with a crushed argonite sandbed (approx 1.5" deep - grain sizes 1.5mm ) in my 90gal tank (brand new, still cycling) with 50lbs porous pacific LR about 4 weeks ago. Friday I found a deal locally on some old castle/southdown sand and added 80lbs right ontop of the original substrate. I...

On my 3rd week of cycling 80lbs LR, and 40lbs LS in my 90G tank. nh3/nh4 has finally dropped, and of course now my N02/N03 counts are elevated. It looks like I am about to start a (red) algae bloom. I assume this is a result of the elevated nutrient content of the tank. Seems silly to me to...

Setup my RO filter (non-brand-name purchased at LFS) Monday morning. It is a 30gpd rated unit and I have it mounted onto the lid of a new/clean 33 gal trash can. It is just outside my patio door. I've been using it for a few weeks while my tank cycles and it has maybe 150 gal through it...

I gather from lurking on this and other forums that crushed coral = bad & DSB = good. What if you have something in-between? I found some teeny tiny crused argonite "sand" that has grain sizes around 1.5mm. Is this size small enough to create a beneficial nitrate-reducing environment...

I have been monitoring my new tank (I have 70lbs of uncured rock in there since last saturday) and my ammonia levels are as expected quite high. Been hovering around 5.0. Today just for grins I thought I'd test both my sink tap water and the water as it comes out of my R0 filter. Tap water...

I purchased 70lbs of uncured Tonga rock from marinedepot.live and put it in my new (unestablished) 90gal tank on Saturday. I have a fair amount of coraline algae, and several unidentified polyps, but no other visible invert life (no crabs, no shrimp, etc..) I saw nothing moving when I unpacked...

Brand new user, Brand new tank - first post.... :lol: I just installed 70lbs uncured live tonga rock into my 90gal tank on Saturday around lunch, then turned on the filters. I tested my levels Sunday evening: SG - <1.025> Nh3/Nh4 - <5.0> N02 - <0> N03 - <0> Ph - <7.8> My ammonia is high...