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If the power is off by less than 12 hours, I'm not worried about low oxygen in the water, but my tanks are not heavily stocked anyway.

It looks like your fish sees something in the decoration when the light is low. I’d remove the mushroom to stop antagonising the fish.

Many members here use clove oil to euthanise fish.

Trim a small section off the top foam and place the filter wool there.

Mine are not Nicrew, but are very much the same functionally. You can set both the intensity and ramping it up and down to simulate sunrise and sunset. The only problem is that if there’s a power outage you’ll lose the clock. When the outage is at night and the power is later restored, the...

Welcome to TFF. Tasmania is a beautiful place. I lived in the northwest between 2000 and 2003, and pretty much went to work there because of the hiking opportunities. Didn’t keep any fish then, but found a crayfish once in front of Scott-Kilvert Hut, when it came out of its burrow during a...

Not the best thing to wake up to in the morning :confused:.

It's not that you don't him enough, it's just he's been sick for a while by the looks of it.

I'm sure the tank is well and truly cycled by now :fish:

He looks very skinny too. Sad to say, he may not last the night.

It's an internal filter so it's to be fully submerged. The only part to be above the water is the top end of the plastic tube. If it's a new filter, you could contact the seller for the suction cups, otherwise contact Juwel.

Just one more thing, for safety's sake get a power board with a surge / overload protection.

Your extension cord should have a rating of at least 1000W. The rating should be on the tag attached to the cord, or on the plastic bag that came with cord. For a 300-400L tank, the heater should be around 400W whether you use 2 smaller heaters or a single heater. Power head and CO2 - I have no...

I agree with previous responses: a picture would help, a small chip is not a concern, most of the time it’s not a problem. I’d add that if you feel it should be repaired because the chip gets larger, then a new tank would be a better solution as I don’t see how a patch over the chip would...

Here’s the link to the data I mentioned earlier. It looks as though the fish do just as well in lower GH. https://malawicichlids.com/mw01011.htm#tangph Seachem also recommends low GH ranges, with Lake Victoria being the lowest, then Malawi and Tanganyika – no surprises there. I stick with 8...

The blue and red is a very nice colouration. The tail and fins look like they’re torn, but the fish look very healthy otherwise. I’d just keep an eye on them to see if they get any worse (or better). How many weeks apart are the 2 photos taken?

I often read that Malawi cichlids should be kept in water with 10 to 20 dGH. I also read that the total hardness as CaCO3 of Lake Malawi is 60 - 85 mg/L. So, unless something is wrong with my conversion, this should translate to roughly 3.4 - 5 dGH. Seachem’s Lake Salt recommends 4 - 8 dGH for...

For $30 that’s an excellent buy. The original set up was quite good, and the re-scape would be better if the tank was a bit bigger :). Do you know what type of rock your hardscape centrepiece is? Hope that it’s inert rock which doesn’t change the water parameters.

Attached is a geology map of eastern part of Victoria. The file is too large so I cropped the relevant section. Tip of arrow is roughly the rock collection location. Zoom in on the arrow to see the code Sy for the purple area, with the adjacent areas being SDg & Duw. Attachments ID1 & ID2...

Thanks for your input. Much appreciated. I don’t disagree with what everyone says about the mine tailing runoff, but there’s no mining anywhere in the area. The outcrop at the bottom left corner of photo 1 is very much similar to where the rocks were collected. The other 2 photos are the...

I agree, it’s difficult to tell from photos. Good observation on the lichen. The rocks were from a mountain around 1500m in elevation. It’s cool and moist most of the year with snow in winter. The only rodents in that part of the state are mice but they (and other animals) stay at much lower...

Hopefully, there's a geologist among us. My last geology lesson was decades ago, and I was never interested in it.

I collected a few rocks, thinking that they contained traces of dolomite that would turn the water basic. Turns out they drop my tap water from pH 6.8 to 6 or below. Can anyone tell what kind of rocks they are?

Not sure what causes the water to turn white. Did the plants decay in your pond, what is the volume and depth of the pond, the water temperature? I have a tub outdoors, probably 50 litres / 13 gallons, with water lilies and lots of other semi aquatic plants in it. I have mud as substrate as...

That's what the forum is for, to share what we know :).

Your tank’s footprint is 1m x 0.4m, if you have 2 pieces and each one is 0.5m x 0.4m, then each piece is supported by the rim 0.4m apart, not 1m. If you look at post 10, the 2nd photo, that’s what I have on my tank. I wouldn’t fit hinges on the glass, the glass will break. How heavy is each...

If the tank width is only 400mm, it shouldn’t bow if you get a 5 or 6mm thick plexiglass. But it's expensive compared with glass. If you go with glass, you should be able to get it from a glass shop or look up online, but get at least a 6mm thick as a thin glass will chip and break easily. The...

The first photo is a tank with the lid, lights and in-built filter removed because one of the 2 fluorescent tubes no longer worked and I couldn't find a replacement. It's not a Fluval Roma, but the design is similar. The 2nd photo is the same tank with 2 pieces of glass as cover, and a low cost...