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Have you seen these threads?

I picked up four free laminate floor color samples. You can pick ones that match your floor. The ones I have are 4" square with a rubber backing attached. I set them backing down on top of the wood floor, then set the legs of the stand on the laminate samples. It has been up for a year with no noticeable change to the laminate samples, but my stand has round feet on the legs.

My fish like math, or at least the multiply operation.

The brown gunk in your filter is a living biomass with a large quantity of BB. Unless you are super aggressive with the cleaning you have plenty of BB left on the surfaces of the filter media. The gunk that is introduced into the new filter will settle in the substrate and be trapped by any new filter media, seeding it with a start of BB.

Interesting article. https://www.mathnasium.com/examples-of-the-golden-ratio-in-nature

13 + 21 = 34

My how the color of shrimp can deepen as they grow. When I bought my red Neocaridina Shrimp there was an bonus green one that was unlucky to have been scooped up with the reds. I put the green one here in the community tank. I only occasionally see this shrimp, and it has been a long time. I was afraid it was a goner. Then this morning I saw what she grew into. The only other shrimp in this tank was the original red Neocaridina that got me interested in keeping shrimp. The redcone was moved in with the other reds, so the green was the only shrimp in the tank.

You can stack the ACO sponge filters. Remove the base of one filter and the lift tube of the other filter. The two will snap together to make a tall sponge filter. That may fit better with your tank layout.

Koalas have fingerprints almost identical to human.

I would not risk it with my tanks. They say it is harmless, but is unpleasant and needs to be washed off your skin... From the user's manual: "If inhaled, get medical attention if you feel unwell. After skin contact, rinse the affected area with soap and water. After eye contact, rinse/flush eyes gently using water for 15–20 minutes." "While the spray is unpleasant, it is harmless to your pets."

Last year I collected flora and fauna for a native tank. The only thing I had problems with was algae. I could not get enough algae cleared off the plants, and too much was introduced into the tank. I fought with that tank for almost a year.

Stealth mode for duckweed is pretty easy. Just dip your arm in and you will get enough sticking to you arm to populate all your tanks. All it takes is one leaf.

I would get an alternate test kit or have the water tested at the LFS to confirm that you are indeed seeing 0 Nitrates. If the Nitrates are being consumed, I don't think there is any risk adding more fertilizer, but if your measurements are off you could already have too many Nitrates.

As an example, suppose you needed 1/2 teaspoon of medicine for your tank, but you only had a teaspoon measure. Rather than guess on what is 1/2 full teaspoon measure, you dissolve a full teaspoon in a full cup of water. You can then dose 1/2 cup into your tank, but this assumes that you have a 1/2 cup measure. Your tank is 2.6g. Dosing is 1 spoon for 13g. You need 2.6/13 of a spoon to dose your tank. Or 1/5 a spoon. If all else fails, you could measure 1 spoon. Into 1 1/4 cup of water, then use 1/4 cup for your tank. I chose 1 1/4 cup so that the volume would be divisible by 5. This is wasteful, because you are discarding the other 4/5 . Note that technically you are just dosing the water in your tank and not the hardscape. You would need to have measured the volume of water to fill the tank to be sure. Many ignore this and just dose for the tank size. If you get an accurate scale, you can weigh out one spoon, the calculate the needed weight for 1/5 spoon.

Buy it now and figure out the stocking later. If you delay and miss out, you will feel so bad that you will have to buy two tanks to recover. On second thought, wait and buy two tanks. 🤣

The 37g is my Community Therapy tank. There is a link in my signature. I just checked with a straight edge. It sits flat against the front glass at the top and bottom edges, right at the trim pieces. Half way up, when holding it against the glass on one side, it will pull away from the opposite edge about 1/8", so about 1/16" deflection in the front glass. I would assume the same on the back glass.

I have the same stand under my 37g, a taller version of the 29g. I do not remember having any issues with the leveling feet, but my floor was close to level. I think you might be able to find some feet with longer shafts to offer more adjustment. The hardware store had free color samples of laminate flooring. They were like 4" squares of the flooring, complete with the underlayment pad. I put one under each foot to spread the weight a bit and protect the floor underneath. I would not hesitate to use I one or two under the feet.

How about a water bottle trap?

It would also depend upon the airstone used. The more restrictive the airstone, the more pressure is needed. A deep tank like the 29g will also require more pressure. I would recommend a Zeiss Never Clog Airstone, that way you can adjust the airstone restriction to get the air flow you want.

https://aquariumbreeder.com/bladder-snail-detailed-guide-care-diet-and-breeding/ Extremely prolific “Born pregnant”

I addressed that. There are fewer vectors af damage, so the risk is smaller, but the education is immensely harder. I do not agree with the prohibitions, but I understand them. A wise man once said that you do not fully understand the issue unless you can successfully argue both sides.

I just collect freshwater bait. https://myfwc.com/fishing/freshwater/regulations/taking-bait/

Nothing new in the trap, but I did get a picture and video of the blue tail.

This thought process is one of the reasons for the prohibitions on keeping native fish. What harm can come if I put this fish back in ths lake I caught it from, they are already native? The concern is not so much reintroducing the fish, but what else are you introducing along with the fish? Maybe you kept that fish along with some non-native fishes and it picked up a non-native parasite. Maybe that parasite infection has not yet progressed to a point to distress the fish. Maybe the fish is immune to the effects of this stage of the parasite, but future stages will be fatal to this or other fishes. Maybe you kept the native fish separate from your non-native fish, but didn't sterilize the tank or equipment thoroughly enough, or there was some other cross contamination. The risks are small, but real. It is hard enough to educate the general public about the perils of releasing non-native fish into the wild. It is way harder to educate them about the perils of reintroducing native fish into the wild. Once a pet, always a pet.