we just change a simplier way. card board, reflective "mat", normal warm light from any shop with contactors. plastic boards found in art shop. Net n wh la! easy to do.
look at my previous post. ite really easy to do. warm light super effective i think. should be able to see result in 1.5 wk.
BTW, the algea very smelly like u are in swamp area.
Ops forgot to mention, you need air pump!