What are poeple paying for these tubes ? I can get 4' for $8.19 CDN ($5.50 USD) and 2' for $14.00 CDN ($9.14 USD). I need a case of each. -- Richard J. Sexton richard at aquaria_net Maitland House, Bannockburn, Ontario, Canada, K0K 1Y0 +1 (613) 473 1719