If a wp25 is too much for your tank a te-8. Will blow your tank over. Get a rw-4. It's better then the wp10 cause it spreads more wife when it streams water not like the wp10 with it does a jet stream of water at once.
Yeah, they are left over from another tank. Im getting the rw4's. Was going to just use my wp10 & add another, but going to just upgrade all. Plus they are linked