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I had few of these pop out on live rock. What is it?

My TaoTronics 120W LED stopped working just after 8 months. I am looking to replace it with something better. I am looking at Current USA TrueLumen Pro Dual LED Striplight Kit 36''. My tank is 30 gallons 36'' long with some zoanthids, hammerhead coral, brain coral and couple mushrooms. Will...

Bring an otherworldly glow and a calming vibe to your home with the living art of an aquarium

I just bought used co2 setup with Milwaukee regulator MA957. Unfortunately solenoid doesn't work, also water from bubble counter sips back to solenoid. I want to replace solenoid. Should I go with Milwaukee brand or different? Also, shouldn't there be a check valve between needle valve and the...

I just bought used GLO 24 inch T5 high output light. It came without bulbs so I had no way to check if it works. After installing 2 new light bulbs (zoo med 24W T5 ho) unit lights up for two seconds and goes off. When unplugged and plugged back in it lights up again and goes off in couple of...

What can cause sudden TDS spike right after turning on the water? Inline TDS meter is showing increase up to 250 TDS. It goes down after a minute, but never to the same level. Every day average TDS reading is increasing. Right now it is at 70 TDS. Already replaced 3 membranes, ASOV and flow...

I have 3 scarlet hermits in my 30g tank, at least I had them for past 7 months. Recently I realized that I did not see them in a while, about two weeks. Where they can be? I don't see theirs shells laying around, they completely disappeared. Any thoughts on that? They would hide before for a...

I have one pair of australe orange killifish. I would like to add one more female to the mix. Yesterday, in my LFS, I found chocolate killifish female. Can I add it to my orange killifish? I just want to give my other killifish female some brake, she is being constantly chased by a male. Will...

I just noticed it. I appeared within last 3 days. It covers about 2 sq inches of live rock. What it might be! Good or bad?

What coral would you recommend for a first time reef keeper? Little data: 30 gallon tank 10g refugium with macro algae and red mangroves 200W power compact light, 50/50 10k/actinic So far I got 2 clowns and 3 Bengali cardinalfish, bristle starfish, lots of hermit crabs, few snails, 2...

My HOB protein skimmer has a leak so I had to take it down. How long can I go without one? My setup is: 30g FOWLR 10g refugium with chaeto, deep sand bed, 4 mangroves Green killing machine uv sterilizer 5W Water circulates between DT and refugium at 400gph (estimated) maybe less Live stock: 2...

Two to three days after PWC water in my 30g FOWLR start to look a bit cloudy, just like adding some milk to it. Fish tank has been cycled and running since July 4th. There is 40lb of live rock and 40lb of dry rock, 20lb of fine aragonite and 20lb of course aragonite. 10gallon refugium with deep...

5 gal, planted,one male betta. Something like green film algae is all over my tank - walls, decor, plants and sand. Recently I used API ALGAEFIX to remove hair algae. green film algae developed right after. I call it green film algae but I am not really sure what it is. How to get rid of it...

About a year ago I upgraded from10 to 25 gallons. 10 gallon tank with all fish and accessories went to my neighbor's 7 yr old daughter. She quickly lost interest. Fort he first 6 months I was performing meitnance every two weeks, but then I could not keep up any more and everything went south...

Chiton is a type of gastropod. Chitons have been around since dinosaurs, practically unchanged. It has eyes all around it's body. It's name "fuzzy" comes from algae that grows on it's back, for protection and camouflage. Unfortunately hermit crabs ate all algae of my chiton's back.

2 months ago I purchased 6 stage RO/DI filter from purewaterclub.com Yes, it was cheap, only $104, cheap enough to break after 2 months. At first it worked just fine. TDS reading was below 4 for first couple of weeks. Then I stopped measuring, until now. Today's reading was 550 TDS!!! First I...

I got 25 gallon planted tropical community tank with DIY co2 setup. My problem are ph swings. Everything was OK as long as I used hard tap water, but since switching to RO water I noticed ph dropping to 6.6 from 7.4. I am using Natural Regulator and R/O right to treat water. I heard people mix...

Quart size ziplock bag, packed tightly with some water. Shipping is priority mail, shipped from NJ, 2-3 days to most locations. It will survive shipping with no problem. It is great for removing nitrates and phosphates. I have it for 3 weeks and it already tripped its size filling completely...

Does any one know what can be wrong with my dwarf gourami? He looks fat, bloated. Also he is not active as usual. Scales on his body look like are about to pop out. I dropped few blanched and mashed green peas but he was not interested. Other fish went crazy for it. I think he might be...

Thin line hermit crab trying his new house ;-)

Just got him yesterday. Very pretty green color.

Over last two weeks I was cycling 30 gallon with 40lb of cured live rock and 40 of live sand. I was not home last few days, when I came back today I found this.... What is that?

Does DI resin increases water pH? I measured ph right after ro membrane and it's ph7.0. Going thru two DI filters ph rises to ph7.6 - ph7-8.

I have been cycling 30gallon saltwater for about 8 days now. 36 hours after dosing 4ppm of ammonia there is no trace of it. There is also no trace of NitrItes. NitrAtes are around 50ppm. Should I do PWC and add some more ammonia to keep it cycling some more or should I do 90% water change and...