Take it easy, take it easy.

I'm sure it's just an honest mistake, since he came in this forum for feedback and suggestions on his stealth box.

Let's not make him feel unwelcome.

As for your question, wyhr...ahh, um, rhyw, I'd assume your lamp is an HPS, though you never said. Your probably going to want a carbon filter for your box, among other possible items. And as far as the dimensions, it kind of depends on how much you're looking to grow, or even space issues. Or if you're just looking for the best recommended space for your 250, I might suggest you get a little more help in the 'indoor growing' and 'closet/cabinet growing' forums near the bottom of the page.

And welcome to your new cyber-home! ~ :dance: