Argos I get what you are saying but a walstad tank revolves around lots of plants and no (or very few) water changing. If you are not water changing then you must stock low, or you WILL crash the tank.Argos said:I will respectfully disagree with some the previous post.
20 gallons seems reasonable, and also you want to add as many plants as you can afford as stated (this to soak up all the nutrients so as to avoid algae outbreaks). However, you don't need to add ferts to a tank that is dirted as the plants will uptake nutrients through the roots and in addition, the soil will release large amounts of ammonia. (organic soil) That is the huge benefit of doing a soiled tank. If you dose substantial fertilizer you are only encouraging algae.
It is a common misconception that you can only stock very low. This is completely false. The soil will release large amounts of ammonia which over time will be converted by beneficial bacteria. This will allow you to have a very sizable stock if wanted.
Normal recommended plants for a soiled aquarium are fast growing plants. (again to absorb the large quantities of nutrients in the water) Hornwort, floaters etc are all good choices. Just make sure it is fast growing. Swords love soiled tanks. Cypts won't do anything to outcompete algae as they are slow growing. If you like some slow growing plants I would suggest adding only fast growers until the tank gets established then you can slowly add slow growing plants to taste.
I have seen those videos. Pretty neat. However, you have to remember that they are youtubers. It works great until it doesn't. *not that they don't know anything, just that they don't show the tank 5 or so years down the road, nor the ill effects if something happens.Badgerfan338 said:Oh, I was think like a 5-7.5 gallon tank like foo the flower horn does.
I actually am a relatively firm believer that you can do a no water change system (just top offs) with just a small amount of shrimp. The issue is when you add fish. Water changes aren't just there for nitrate removal. Water changes, among many other things, are also needed to remove buildup of trace elements that can be harmful in the long run. Sure you might have a no water change tank for 3, 5, 8 years until it crashes out of nowhere. Water changes also help the balance of beneficial bacteria and the dominant taxonomies.Sauceboat said:I have two 3 gallon bowl walstad tanks with shrimp, no water changes. Just make sure you plant heavy from the beginning and have a reliable light source and you’ll be fine. Any size tank will be fine so long as you stock accordingly and accommodate water changes to suit that. It’s really simpler than it seems. For plants I adore Drawf Hairgrass and it really thrives in walstad setups, stem plants are always good especially because of how fast growing they are, java fern and swords are in both of mine and they’re doing great. I’d definitely recommend some floaters though.
No worries. Most fish will do just fine and adapt to hard water. A bubbler can help lower the pH. Shrimp will like it.Badgerfan338 said:Okay, I was thinking of doing what he did, do a 5-7.5 gallon tank or bowl, heavily planted with dwarf hair grass, Rosetta sword, and maybe a few floaters. Only thing is my water is VERY hard. Did a water change yesterday and test, hardness was between 200-300