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Methylene blue.

Turn the leaf over. If they float to the surface its just trapped air.

Looks like air bubbles trapped under the leaf.

This medication is a single dose treatment. If you need to repeat the treatment, wait 7 days, big water change and then redose. Carbon will remove this medication from the water, so yes, a big water change and then carbon in the filter is a good wat of removing the medication from your aquarium...

Im not sure specifically what "calcified water rock things" are. If they are calcium carbonate they will very slowly disolve and raise GH and KH if you have soft acidic water. If your water is already harder and higher pH then they will just sit there in the water and do nothing. I would start...

Ocean salt/ aquarium salt is sodium chloride. To raise general hardness (GH) you need to add calcium and/ or magnesium. To raise carbonate hardness (KH) you need to add carbonates and/ or bicarbonates. Aquarium salt is neither. It wont increase either GH or KH. It will increase total disolved...

Fluval Flex 57. Equipment all out of the box, except for a 50w heater. Stock. Handful of guppies and celestial pearl danios. 1 male honey gourami. Numerous red cherry shrimp. Some pest snails. Hardscape. Black gravel, nice piece of rock on the left, piece of driftwood in the middle. Planting...

Search up fluval A20198. 406 and 407 parts arent interchangeable.

One of my tanks doesnt have a programmable light so i have it on a socket timer. The socket timer has a battery backup and will retain all the time setting etc for a few days if there is no power. Maybe even longer, the LCD display was working when i bought it and im sure it will have been a...

Unplugging my fluval aquasky retains all the settings, timers and timings keep running, so after the power comes back on i dont have to do anything to correct it. The only time i need to reset the timers is when we go from GMT to BST or vice versa and all i have to do is connect the light...

Ive got rocks from blue lagoon aquatics in the scotland nursery garden centre at tansley before. Cant remember what their selection was like. Probably not too great, but they did let me look through through the brochure of their wholeseller to see if they could get in what i wanted. Being a...

Pro Shrimp is in mansfield isnt it? Wharf aquatics isnt too far away from there, they usually have a good selection of rocks, but it can vary depending on if they have just had delivery as you mention. I would expect Pro Shrimp to have the better choice locally though.

Plants need light, CO2 and nutrients. Being a surface plant light and CO2 wont be an issue, so that leaves nutrients. Duckweed needs a lot of nutrients and you have a lot of duckweed. Do you know your water parameters? Plants need nitrogen, and duckweed in an aquarium will get its nitrogen...

This is our cat Sushi.

This looks more like mold or fungus than algae to me.

A small amount of excel isnt going to do anything to help. You really need an overdose of excel to kill off algae and as said, glutaraldehyde is poisonous to fish, so overdosing is risky. You can get good results by spot treating excel, turn off the filters so you reduce water movement, and...

Is that really a problem? While i can accept getting nitrate as low as managable is desirable, i don't really see nitrate out the tap at that level as being an issue. What you are seeing isnt uncommon. Stock moderately, do a decent water change every week, and you should be able to keep nitrate...

Purigen can remove organic compounds and so prevent ammonia forming, which in turn will lower nitrite and nitrate production. It wont remove nitrate once its already present.

The active ingredient in excel is glutaraldehyde. Glutaraldehyde is used to sterilise medical equipment and can act as a mild algaecide. It can be poisonous to fish. Its not a fertiliser. The idea of this product to aid plant growth is that it will remove some algae from the plant leafs surface...

Corydororas melanistius

If OP hasnt been changing water during their fishless cycle then any chlorine will have long since evaporated off. Do a water change however with no water conditioner and you risk any chlorine wiping out everything you have achieved up to the water change.

Ill have a go. Fluval Roma 200 Freshwater Planted Tank. 200 litres. February 2023 TOTM Entry Aquarium has been set up about 5 years. Cabinet was the first piece of furniture in our new house. Fish include 3 angelfish, 2 of which are paired up but terrible parents. Cardinal tetras, 10 to 15...

Most nitrate test kits will show nitrate as a false positive if there is nitrite in the water. Dont even bother testing for nitrate until you are cycled and there is no nitrite because the test results will be confusing.

To cycle a tank you need to grow denitrifying bacteria to consume ammonia and nitrite that your tank produces. The bacteria needs an ammonia source to grow colonies sufficient in size to consume all the ammonia and resultant nitrite and turn it into nitrate which typically you remove through...