those will werk fine...me myself i only use the saucers under containers, cos if i get much runoff im waterin em to much...bout every other waterin/feeding i water from below..i fill up the saucer to top of rim and within 4 er 5 mins the water has been drawn up from below an saucer be empty...i repeat this this waterin from below 2x per waterin usually..i dont like plants sittin in water very long...can cause issues...GL