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I have (2) 5.5 oz Prime Reef Flakes fish food. one has been open for over a year, and the other one is still sealed. The expiration date is 01/2013. i hate to throw them away. are they really expired?

I have an RO/DI filter that has been sitting for about 2 years. i am planning on replacing the sediment, carbon, and DI filters, but my question is do i NEED to replace the RO membrane? i know that i should test for TDS, but i dont have a meter. Since it is a membrane, i would think it should...

i have a 90 gallon tank with the following. just wondering if i could add anything else of if this is about it. i was thinking of a clown tang or maybe a sailfin. 1 maroon clown, 1 sebae clown, 1 domino damsel, 1 yellow damsel, 2 green chromis, 1 hippo tang, 1 orange spot goby, 1 bullet...

i have a 48" odyssea light fixture. 2 150 HQI and 2 96 w 420nm lights. one of the MH burned out and i am looking to replace all the lights since it has been a year. my question is: should i replace all the lights with any brand of the same wattage, or since i am going to be spending some cash...

currently my pH is a little on the high side i think. its like 8.44. sg is 1.025, dKH 11. so what i am wondering is if i add the kent marine buffer, will it raise the alkalinity even more, or will it just drop the pH to 8.1 to 8.3 like it says? i just lost a clown tang that i was dripping...

i have a 10 gallon tank right now that i am not using. i was wondering what everyone's opinion is as far as what to. . . either fit out the 10 gallon tank or buy a complete nano cube setup. i currently have a 90 gallon tank, so live rock and sand and water would not be an issue. just...

has anyone used this before with good results? i just purchased a small container in hopes of taking my nitrates from 20 to 0-5. i do PWC weekly, but i just cant seem to get them below 15-20. any thoughts?

so i just got my refractometer on friday and i tested my water with both the swing arm type and the new calibrated refractometer and they read 1.023 and 1.028. so now i am assuming i should go off the refracto and slowly start lowering my SG? i cant believe there would be that big of a difference.

i just got this bubble tip about 2 or 3 weeks ago, and it moved around a little bit, which i thought was normal, and now he has found a spot right under a MH light. i thought this was ok since they require strong lighting. so at night and before the lights come on it seems fine, but once the...

ok so over the last 2 weeks my yellow tang has gotten his tail stuck on the powerhead intake, and this morning i woke up to finding his whole mouth jammed in the skimmer pump intake and now his mouth is all messed up. is this something anyone else has ever witnessed, or is he just weak and...

just wondering if i could get any info on this. i have 2 maroon clowns that have the top fin splitting. it doesnt look like a disease or anything, just splitting apart, and my saddleback butterfly looks like the back bottom fin is splitting. i'm not sure if the clowns are just being rough...

couple things. . . . just got a new BTA yesterday. dripped it for about 2 hours, put him in and within about 30 minutes both maroon clowns were all over it! that made me very happy. this morning i found the BTA scaling the glass. both clowns were still inside of the tentacles. is it normal...

my mistake the other day. i left the metal halides on for about 19 hours. forgot to put the timer back to AUTO. so now my shrooms and xenia dont look too hot. my question is: should i leave the lights off completely for a couple days to let everyone recover, or just reduce the lighting...

just wondering if anyone has any experience keeping a flame angel with a majestic angel? i was thinking of adding a majestic angel to my tank, but i already have a flame angel. also, are the majestic angels safe for a reef tank. thanks

i was just wondering if i should move some of these red mushrooms with blue/green spots on them. there are about 15 on one rock, and while the lights are off, no problem, but once the MH's come on, they all open up and seem crowded. is this a problem, and should i move a few? i tried grabbing...

hi there, just wondering if anyone knows what might cause a florida condi anemone to become covered in little tiny rust spots. he was doing real well when i first got him, and now is still doing just ok, but has little rust spots all over his tentacles. good flow and MH lighting and water...

my new jebo light has 3 switches on it with 2 plugs. my question is, since they are on timers, should i have the 2 54 watt 420nm actinics come on any sooner than the 175 watt MH's? and also is this a good lighting combo? should i get different T-5's or just stick with the 420 nm's. any info...

ok so i have a 90 gallon tank, and i decided to upgrade the NO fl lights to metal halides. i bought a 458 watt 49" fixture, and just put it in place of the other light fixture. bad idea. cracked both glass canopy tops. now comes to my question . . . how far off the water should these be...

I have a 90 gal. tank with LR, 8.15 pH, 1.020 SG, 0 NH, and 0 no2, a small lionfish, yellow tank, sebae clown, algae blenny, small yellow damsel, purple pseudo, humu humu, and a snowflake eel, and i just added the powder blue 3 days ago. pretty healthy in the LFS, but i am now noticing some...

90 gallon tank with sg of 1.023. 60 lbs base rock, 45 lbs lr from foster smith, and 10 lb of rubble for the canister and hob filters, and about 4 lbs lfs lr. i put the rock in 1 1/2 weeks ago, and took my sample with me to the lfs yesterday, and he said my no3 was way too high and that the nh3...

I just received my skimmer in the mail today, and was taken back by how big it was. anyways, i was wondering if i could rig the suction and discharge hoses and keep the skimmer under the tank. i have a 90 gal tank on a regular size stand. i dont have a canopy right now, but i am planning on...

hi just wondering if you guys have used or had any luck with the stuff they sell called "CYCLE" the guy at my lfs said the stuff is great, and it greatly reduces the cycle time. i have about 60 lbs lr and 60 lbs base rock right now that i just put in on friday. do you think it would hurt to...

just wondering what the difference between a freshwater test kit and a salt water test kit is? i have a brand new fw kit and it has ammonia, nitrite, nitrate, ph high and low, and i was wondering if i could use that. i would think that those things would be the same in both types of tanks. thanks

Ok, 90 gal tank 100 lbs reef sand, 70 lbs base rock, sg 1.0245, temp is 78 deg f., 2 ph's putting out 500 gpm, and a fluval 404 and an aquaclear 500 that i will be putting about 5 - 10 lbs lr rubble in tomorrow, and i have 45 lbs fiji lr also coming tomorrow from foster smith. what i want to...

i just bought 70 lbs of base rock from hirock, and i have 100lbs of reef sand, and a SG of 1.023. 90 gallon tank with a maxi jet 1200 ph, a rio 600, a fluval canister, and an aquaclear 500. i just ordered 45 lbs of live rock from liveaquaria.com, and it should be here on friday. what should i...