hi, glad to hear you are planning to get another L# ! And good that you are asking before getting one.
To get the best fit for your tank and for you, there is a site here , plec profiles. Check it out, there is a lot of info, tells you each one's preference on water , ph, temp, food , decorations ,etc.
Do you plan to use same tank , or will you be setting another tank up?
What size tank will he go into ? Some get big, while others stay small in adulthood. You will see that on the ''Profile'' site.
They all must have some hidey places, a few so they can choose where they like it best--makes them happy . Some prefer caves, some hide behind wood , some prefer rocks/slate.
I have 2 L128's,blue phantoms, very similar to your lost green phantom. Mine prefer high oxygen, so I lower the water level and use 2 HOB filters, plus I have a hydra-sponge filter in there and 2 air stones. They NEED high oxygen.
Also , feeding, mine only get raw veggies, while some plecs need protien diets.
As members said, no salt .
Some can adjust to ph of 7.4, but read the profiles .
Another concern would be the tank size and how big your choice will be at adulthood. And their tank should have more bottom area than height as they live on the bottom.
Acclimating , I always ask the store to test the ph from the tank ,so I know how big a difference from theirs to mine. I try to keep my ph at 6.8 for the phantoms. Temp 79d.
You can google European temp and size to get an accurate translation as the Profile site is not in degrees or inches.
You can also check out the photos of tanks site here as well. There are some great pictures of set-ups, and seems most members are aware of the kind of plecs they have and it's needs for they type of hidey places they prefer and other things their plec might be fond of in it's natural environment. -Most L200's are wild caught ,so you would want to replicate their natural env as much as possible to make them less stressed and happy. L200's do not need protien, and if given enough , could cause bloat, a serious problem , as their intestines are not made for protien, but they do excellent with a variety of fresh veggies.
The last I can think of is wood. There was a recent thread here about wood. So what I have learned, most don't need it but most like it. I find mine rasping on it and I think it helps with digestion as well as they mirco-organisms that grow on it. Not to mention wood can be an extra hidey place.
My L128's hang out on rocks which I placed under slate . Since they are very similar to L200's and assuming you are wanting another same, I thought I would mention it.
Substrate is dependent on the type of plec and you. Some memebers use sand and some use gravel and some use nothing. It would be a good idea to also read the older threads on set-ups ,meds-health issues(plecs are sensitive to some meds and can't handle them) . The older threads are a world of knowledge for anyone caring for plecs !
Well hope this helps some. It is good that you are asking and not just jumping in again so you can provide the best home for whatever kind you decide on. The worst thing someone can do is walk in a store , fall in love with an awesome plec, bring it home and not have it's needs ready .Please don't take offence, It is something some of us have done in past, but learn to read a lot the next time, before making a choice, I too am guilty of this...so read as much as you can , read the site on ''tankmates'' as well . You will be able to make a good choice by having more knowledge about the plec you decide on.
wc's seem different for members here. I do a 10% daily, while others do 25% weekly. Depends on your water and how much poo they are creating. I do a vacuum once a week, others do it once a month. Since a tank is not a flowing river, it basically becomes the fishe's toilet-that can breed disease. When I do the daily wc's , I am just removing from the top. Prime with new tap water. Stagger your cleanings , giving time between vacuums and filter cleanings so you are not removing too much beneficial bacteria at once. Plecs live on the bottom, if they are living in poo, they will get sick first, ususally.
and ask about anything you aren't sure about , or on the fence about. The memebers here are great and willing to help :yes:
Good luck and perhaps other members will add to this... :hi: